ebrary, Inc, & Gollan, P. J. (2005). Voice and non-union workplace. Emerald Group Publishing.
Čikaški stil citiranja (17. izdanje)ebrary, Inc, i Paul J. Gollan. Voice and Non-union Workplace. Bradford, England: Emerald Group Publishing, 2005.
MLA način citiranja (9. izdanje)ebrary, Inc, i Paul J. Gollan. Voice and Non-union Workplace. Emerald Group Publishing, 2005.
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