(1980). Instructor's Manual Social Issues In Business Fred Luthans Et Al. Macmillan.
Čikaški stil citiranja (17. izdanje)Instructor's Manual Social Issues In Business Fred Luthans Et Al. Macmillan, 1980.
MLA način citiranja (8. izdanje)Instructor's Manual Social Issues In Business Fred Luthans Et Al. Macmillan, 1980.
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