Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (8ú heag.)

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

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