Dyfyniad APA

Boone, L. E., & Kurtz, D. L. (2006). Contemporary business 2006 (2006 [ed.].). Thomson/South-Western.

Dyfyniad Arddull Chicago

Boone, Louis E., and David L. Kurtz. Contemporary Business 2006. 2006 [ed.]. Mason, OH: Thomson/South-Western, 2006.

Dyfyniad MLA

Boone, Louis E., and David L. Kurtz. Contemporary Business 2006. 2006 [ed.]. Thomson/South-Western, 2006.

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