Hilgert, R. L., & Leonard, E. C. (1995). Supervision: Concepts and practices of management (6th ed.). South-Western College Pub.
Chicago-Zitierstil (17. Ausg.)Hilgert, Raymond L., und Edwin C. Leonard. Supervision: Concepts and Practices of Management. 6th ed. Cincinnati, Ohio: South-Western College Pub, 1995.
MLA-Zitierstil (9. Ausg.)Hilgert, Raymond L., und Edwin C. Leonard. Supervision: Concepts and Practices of Management. 6th ed. South-Western College Pub, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.