Leonard, E. C. (2016). Supervision: Concepts and practices of management (Eleventh edition.). Cengage Learning.
Čikaški stil citiranja (17. izdanje)Leonard, Edwin C. Supervision: Concepts and Practices of Management. Eleventh edition. Boston, Massachusetts: Cengage Learning, 2016.
MLA način citiranja (9. izdanje)Leonard, Edwin C. Supervision: Concepts and Practices of Management. Eleventh edition. Cengage Learning, 2016.
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