Cita APA (7th ed.)

Williams, C. (2009). Principles of management (5th ed.). South-Western Cengage Learning.

Cita Chicago (17th ed.)

Williams, Chuck. Principles of Management. 5th ed. Mason, Ohio: South-Western Cengage Learning, 2009.

Cita MLA (9th ed.)

Williams, Chuck. Principles of Management. 5th ed. South-Western Cengage Learning, 2009.