Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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