Παραπομπή APA

Koontz, H. (1976). Management: A system and contigency analysis of managerial functions/6th ed (6th ed.). McGraw Hill publishing.

Παραπομπή Chicago Style

Koontz, Harold. Management: A System and Contigency Analysis of Managerial Functions/6th Ed. 6th ed. Tokyo: McGraw Hill publishing, 1976.

Παραπομπή MLA

Koontz, Harold. Management: A System and Contigency Analysis of Managerial Functions/6th Ed. 6th ed. McGraw Hill publishing, 1976.