Weihrich, H. (2012). Essentials of Management Koontz, Harold (3rd ed.). PHI Learning.
Čikaški stil citiranja (17. izdanje)Weihrich, Heinz. Essentials of Management Koontz, Harold. 3rd ed. New Delhi: PHI Learning, 2012.
MLA način citiranja (9. izdanje)Weihrich, Heinz. Essentials of Management Koontz, Harold. 3rd ed. PHI Learning, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.