Gaya APA

Koontz, H., O'Donnell, C. (1976). Management: A System And Contingency Analysis Of Managerial Functions (Ed. 6). Tokyo: Mc Graw Hill.

Gaya MLA

Koontz, Harold., O'Donnell, Cyril. "Management: A System And Contingency Analysis Of Managerial Functions". Ed. 6 Tokyo: Mc Graw Hill, 1976. Text.