George, C. S. (1977). Supervision in action: The art of managing others. Prentice Hall of India.
Chicago Style citaatGeorge, Claude S. Supervision in Action: The Art of Managing Others. Prentice Hall of India, 1977.
MLA citatieGeorge, Claude S. Supervision in Action: The Art of Managing Others. Prentice Hall of India, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.