Gray, D. H. (1966). Manpower planning. An approach to the problem. Institute of personnel management.
शिकागो स्टाइल उद्धरणGray, Daniel H. Manpower Planning. An Approach to the Problem. London: Institute of personnel management, 1966.
एमएलए उद्धरणGray, Daniel H. Manpower Planning. An Approach to the Problem. Institute of personnel management, 1966.
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