APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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