APA (7th ed.) Zitazioa
Koontz, H., & Weihrich, H. (2010). Essentials of management an international perpective (8th ed.). TMH.
Chicago Style (17th ed.) Zitazioa
Koontz, Harold, eta Heinz Weihrich. Essentials of Management an International Perpective. 8th ed. New Delhi: TMH, 2010.
MLA (9th ed.) Zitazioa
Koontz, Harold, eta Heinz Weihrich. Essentials of Management an International Perpective. 8th ed. TMH, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.