Dyfyniad APA

Ferrell, O. C., Hirt, G. A., & Ferrell, L. (2008). Business: A changing world (6th ed.). Boston: McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Ferrell, O. C., Geoffrey A. Hirt, and Linda Ferrell. Business: A Changing World. 6th ed. Boston: McGraw-Hill/Irwin, 2008.

Dyfyniad MLA

Ferrell, O. C., Geoffrey A. Hirt, and Linda Ferrell. Business: A Changing World. 6th ed. Boston: McGraw-Hill/Irwin, 2008.

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