APA (7th ed.) Zitazioa
Koontz, H., & O'Donnell , C. (1976). Management: A systems and contingency analysis of management functions (6th ed.). McGraw- Hill.
Chicago Style (17th ed.) Zitazioa
Koontz, Harnold, eta Cyril O'Donnell. Management: A Systems and Contingency Analysis of Management Functions. 6th ed. Tokyo: McGraw- Hill, 1976.
MLA (9th ed.) Zitazioa
Koontz, Harnold, eta Cyril O'Donnell. Management: A Systems and Contingency Analysis of Management Functions. 6th ed. McGraw- Hill, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.