Dyfyniad APA

Koontz, H., & Donnell,Cyril O'. (1978). Essentials of management (2nd ed.). McGraw Hill publishing co. ltd.

Dyfyniad Arddull Chicago

Koontz, Harold, and Donnell,Cyril O'. Essentials of Management. 2nd ed. New Delhi: McGraw Hill publishing co. ltd, 1978.

Dyfyniad MLA

Koontz, Harold, and Donnell,Cyril O'. Essentials of Management. 2nd ed. McGraw Hill publishing co. ltd, 1978.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.