Leonard, E. C. (2010). Supervision: Concepts and practices of management (11th ed.). South-Western/Cengage.
Chicagoスタイル(17版)引用形式Leonard, Edwin C. Supervision: Concepts and Practices of Management. 11th ed. Mason, OH: South-Western/Cengage, 2010.
MLA(9版)引用形式Leonard, Edwin C. Supervision: Concepts and Practices of Management. 11th ed. South-Western/Cengage, 2010.
警告: この引用は必ずしも正確ではありません.