George, C. S. (1977). Supervision in action: The art of managing others. Prentice Hall of India.
Chicago ZitierstilGeorge, Claude S. Supervision in Action: The Art of Managing Others. Prentice Hall of India, 1977.
MLA ZitierstilGeorge, Claude S. Supervision in Action: The Art of Managing Others. Prentice Hall of India, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.