Cita APA (7th ed.)

Leonard, E. C. (2016). Supervision: Concepts and practices of management (Eleventh edition.). Cengage Learning.

Cita Chicago (17th ed.)

Leonard, Edwin C. Supervision: Concepts and Practices of Management. Eleventh edition. Boston, Massachusetts: Cengage Learning, 2016.

Cita MLA (9th ed.)

Leonard, Edwin C. Supervision: Concepts and Practices of Management. Eleventh edition. Cengage Learning, 2016.