Leonard, E. C., & Edwin C. Leonard; Raymond L. Hilgert. (2004). Supervision: Concepts and practices of management. Mason, OH: Thomson/South-Western.
Styl cytowania ChicagoLeonard, Edwin C., i Edwin C. Leonard; Raymond L. Hilgert. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2004.
Styl cytowania MLALeonard, Edwin C., i Edwin C. Leonard; Raymond L. Hilgert. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2004.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..