Dyfyniad APA

Koontz, Cyril O Donnell, & Heinz Weihrich. (1980). Management (7th ed.). McGraw Hill Kogakusha Ltd.

Dyfyniad Arddull Chicago

Koontz, Cyril O Donnell, and Heinz Weihrich. Management. 7th ed. London: McGraw Hill Kogakusha Ltd, 1980.

Dyfyniad MLA

Koontz, et al. Management. 7th ed. McGraw Hill Kogakusha Ltd, 1980.

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