Gray, D. H. (1966). Manpower planning. An approach to the problem. Institute of personnel management.
Chicago Style citaatGray, Daniel H. Manpower Planning. An Approach to the Problem. London: Institute of personnel management, 1966.
MLA citatieGray, Daniel H. Manpower Planning. An Approach to the Problem. Institute of personnel management, 1966.
Let op: Deze citaties zijn niet altijd 100% accuraat.