APA-referens (7:e uppl.)

Williams, C. R. (2009). Principles of management (5th ed.). Australia.

Chicago-referens (17:e uppl.)

Williams, Chuck R. Principles of Management. 5th ed. Cengage Learning: Australia, 2009.

MLA-referens (9:e uppl.)

Williams, Chuck R. Principles of Management. 5th ed. Australia, 2009.