Style de citation APA (7e éd.)

Koontz, H., & O'Donnell. (1976). Management: A systems and contigency analysis of managerial functions (6th ed.). McGraw-Hill.

Style de citation Chicago (17e éd.)

Koontz, Harold, et O'Donnell. Management: A Systems and Contigency Analysis of Managerial Functions. 6th ed. New York: McGraw-Hill, 1976.

Style de citation MLA (9e éd.)

Koontz, Harold, et O'Donnell. Management: A Systems and Contigency Analysis of Managerial Functions. 6th ed. McGraw-Hill, 1976.