APA (7th ed.) Zitazioa
Koontz, H., & O'Donnell. (1976). Management: A systems and contigency analysis of managerial functions (6th ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Koontz, Harold, eta O'Donnell. Management: A Systems and Contigency Analysis of Managerial Functions. 6th ed. New York: McGraw-Hill, 1976.
MLA (9th ed.) Zitazioa
Koontz, Harold, eta O'Donnell. Management: A Systems and Contigency Analysis of Managerial Functions. 6th ed. McGraw-Hill, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.