Schleh, E. C. (1955). Successful executive action: A practical course in getting executive results. Prentice hall.
استشهاد بنمط شيكاغوSchleh, Edward C. Successful Executive Action: A Practical Course in Getting Executive Results. New Jersey: Prentice hall, 1955.
MLA استشهادSchleh, Edward C. Successful Executive Action: A Practical Course in Getting Executive Results. Prentice hall, 1955.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.