Leonard, E. C., & Edwin C. Leonard; Raymond L. Hilgert. (2004). Supervision: Concepts and practices of management. Mason, OH: Thomson/South-Western.
Chicago Stili AlıntıLeonard, Edwin C., ve Edwin C. Leonard; Raymond L. Hilgert. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2004.
MLA AlıntıLeonard, Edwin C., ve Edwin C. Leonard; Raymond L. Hilgert. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2004.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..