Dyfyniad APA

Ferrell, O. C., Ferrell, L., & Hirt, G. A. (2014). Business: A changing world (Ninth edition.). New York: McGraw-Hill Irwin.

Dyfyniad Arddull Chicago

Ferrell, O. C., Linda Ferrell, và Geoffrey A. Hirt. Business: A Changing World. Ninth edition. New York: McGraw-Hill Irwin, 2014.

Dyfyniad MLA

Ferrell, O. C., Linda Ferrell, và Geoffrey A. Hirt. Business: A Changing World. Ninth edition. New York: McGraw-Hill Irwin, 2014.

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