KOONTZ, H. (1980). Management Harold Koontz, Cyril O'donnell And Heinz Weihrich. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)KOONTZ, Harold. Management Harold Koontz, Cyril O'donnell And Heinz Weihrich. McGraw-Hill, 1980.
MLA način citiranja (8. izdanje)KOONTZ, Harold. Management Harold Koontz, Cyril O'donnell And Heinz Weihrich. McGraw-Hill, 1980.
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