Mundel, M. E. (1973). Motion and time study/4e: Principles and practices (4th ed.). Prentice Halll.
शिकागो स्टाइल उद्धरणMundel, Marvin E. Motion and Time Study/4e: Principles and Practices. 4th ed. New Delhi: Prentice Halll, 1973.
एमएलए उद्धरणMundel, Marvin E. Motion and Time Study/4e: Principles and Practices. 4th ed. Prentice Halll, 1973.
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