Fix publisher macro for Swinburne Harvard

[wale]

According to the brief guide listed on the Swinburne Harvard page, publisher information must only be listed if the citation is of an book (physical, or otherwise)

Closes #7110

[github-actions]

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[github-actions]

😃 Your submission passed all our automated tests.

Below are some sample citations generated based on your proposed changes:

harvard-swinburne-university-of-technology.csl (modified style)

(CSL search by example 2012; Hancké, Rhodes & Thatcher 2007)
(Fenner et al. 2019; Mares 2001)

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‘CSL search by example’ 2012, Citation Style Editor, viewed 15 December 2012, <http://editor.citationstyles.org/searchByExample/>
Fenner, M, Crosas, M, Grethe, JS, Kennedy, D, Hermjakob, H, Rocca-Serra, P, Durand, G, Berjon, R, Karcher, S, Martone, M & Clark, T 2019, ‘A data citation roadmap for scholarly data repositories’, Scientific Data, vol. 6, no. 1, p. 28, viewed 27 April 2019, <http://www.nature.com/articles/s41597-019-0031-8>
Hancké, B, Rhodes, M & Thatcher, M (eds) 2007, Beyond varieties of capitalism: Conflict, contradiction, and complementarities in the European economy, Oxford University Press, Oxford and New York.
Mares, I 2001, ‘Firms and the welfare state: When, why, and how does social policy matter to employers?’, in PA Hall & D Soskice (eds), Varieties of capitalism. The institutional foundations of comparative advantage, pp. 184–213.

 (<i>CSL search by example</i> 2012; Hancké, Rhodes &amp; Thatcher 2007)<br/>
 (Fenner et al. 2019; Mares 2001)<br/>
 <hr/>
 ‘CSL search by example’ 2012, <i>Citation Style Editor</i>, viewed 15 December 2012, &lt;http://editor.citationstyles.org/searchByExample/&gt;<br/>
 Fenner, M, Crosas, M, Grethe, JS, Kennedy, D, Hermjakob, H, Rocca-Serra, P, Durand, G, Berjon, R, Karcher, S, Martone, M &amp; Clark, T 2019, ‘A data citation roadmap for scholarly data repositories’, <i>Scientific Data</i>, vol. 6, no. 1, p. 28, viewed 27 April 2019, &lt;http://www.nature.com/articles/s41597-019-0031-8&gt;<br/>
 Hancké, B, Rhodes, M &amp; Thatcher, M (eds) 2007, <i>Beyond varieties of capitalism: Conflict, contradiction, and complementarities in the European economy</i>, Oxford University Press, Oxford and New York.<br/>
-Mares, I 2001, ‘Firms and the welfare state: When, why, and how does social policy matter to employers?’, in PA Hall &amp; D Soskice (eds), <i>Varieties of capitalism. The institutional foundations of comparative advantage</i>, Oxford University Press, New York, pp. 184–213.<br/>
+Mares, I 2001, ‘Firms and the welfare state: When, why, and how does social policy matter to employers?’, in PA Hall &amp; D Soskice (eds), <i>Varieties of capitalism. The institutional foundations of comparative advantage</i>, pp. 184–213.<br/>

[bwiernik]

Thanks! Looking over the guidelines, it looks like the recommendation is rather that periodicals like journal articles and newspaper articles should not include publisher. The examples for conference proceedings, reports, book chapters, theses, etc all include publisher