Leonard, E. C. (2007). Supervision: Concepts and practices of management. Mason, OH: Thomson/South-Western.
Chicago-стиль цитированияLeonard, Edwin C. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2007.
MLA-цитированиеLeonard, Edwin C. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2007.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.