APA-referens (7:e uppl.)

Ferrell, O., Ferrell, L., & Hirt, G. A. (2009). Business: A changing world (7th ed.). McGraw-Hill.

Chicago-referens (17:e uppl.)

Ferrell, O.C, Linda Ferrell, och Geoffrey A. Hirt. Business: A Changing World. 7th ed. Boston: McGraw-Hill, 2009.

MLA-referens (9:e uppl.)

Ferrell, O.C, et al. Business: A Changing World. 7th ed. McGraw-Hill, 2009.