APA-viite (7. p.)

KOONTZ, H. (1982). Essentials Of Management Harold Koontz, Cyril O'donnell And Heinz Weihrich. McGraw-Hill.

Chicago-viite (17. p.)

KOONTZ, Harold. Essentials Of Management Harold Koontz, Cyril O'donnell And Heinz Weihrich. McGraw-Hill, 1982.

MLA-viite (8. p.)

KOONTZ, Harold. Essentials Of Management Harold Koontz, Cyril O'donnell And Heinz Weihrich. McGraw-Hill, 1982.