Παραπομπή σε μορφή APA (7η εκδ.)

KOONTZ, H. (1976). Management: Systems And Contingency Analysis Of Managerial Functions Harold Koontz And Cyril O' Donnell. McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

KOONTZ, Harold. Management: Systems And Contingency Analysis Of Managerial Functions Harold Koontz And Cyril O' Donnell. McGraw-Hill, 1976.

Παραπομπή σε μορφή MLA (8th εκδ.)

KOONTZ, Harold. Management: Systems And Contingency Analysis Of Managerial Functions Harold Koontz And Cyril O' Donnell. McGraw-Hill, 1976.