Koontz, H., & Weihrich, H. (2015). Essential of Management (10ed.). McGraw Hill Education.
Čikaški stil citiranja (17. izdanje)Koontz, Harold, i Heinz Weihrich. Essential of Management. 10ed. Chennai: McGraw Hill Education, 2015.
MLA način citiranja (9. izdanje)Koontz, Harold, i Heinz Weihrich. Essential of Management. 10ed. McGraw Hill Education, 2015.
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