Leonard, E. C. (2007). Supervision: Concepts and practices of management. Mason, OH: Thomson/South-Western.
استشهاد بنمط شيكاغوLeonard, Edwin C. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2007.
MLA استشهادLeonard, Edwin C. Supervision: Concepts and Practices of Management. Mason, OH: Thomson/South-Western, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.