Dyfyniad APA

Ferrell, O. C., & Hirt, G. A. (2003). Business: A changing world (4th ed.). McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

Ferrell, O. C., and Geoffrey A. Hirt. Business: A Changing World. 4th ed. Boston: McGraw-Hill/Irwin, 2003.

Dyfyniad MLA

Ferrell, O. C., and Geoffrey A. Hirt. Business: A Changing World. 4th ed. McGraw-Hill/Irwin, 2003.

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