Dyfyniad APA

Ferrell, O., Hirt Geoffrey, & Linda Ferrell. (2008). Business. McGraw-Hill.

Dyfyniad Arddull Chicago

Ferrell, O.C, Hirt Geoffrey, and Linda Ferrell. Business. Boston: McGraw-Hill, 2008.

Dyfyniad MLA

Ferrell, O.C, et al. Business. McGraw-Hill, 2008.

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