Cita APA (7th ed.)
Koontz, H., & O'Donnell. (1976). Management: A systems and contigency analysis of managerial functions (6th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Koontz, Harold, i O'Donnell. Management: A Systems and Contigency Analysis of Managerial Functions. 6th ed. New York: McGraw-Hill, 1976.
Cita MLA (9th ed.)
Koontz, Harold, i O'Donnell. Management: A Systems and Contigency Analysis of Managerial Functions. 6th ed. McGraw-Hill, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.