APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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