Dyfyniad APA

Nickels, W. G. (2005). Understanding business.: 7th ed. McGraw-Hill / Irwin.

Dyfyniad Arddull Chicago

Nickels, William G. Understanding Business.: 7th Ed. Boston: McGraw-Hill / Irwin, 2005.

Dyfyniad MLA

Nickels, William G. Understanding Business.: 7th Ed. McGraw-Hill / Irwin, 2005.

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