Welsch, G. A. (1970). Cases in profit planning and control. Prentice Hall of India.
शिकागो स्टाइल उद्धरणWelsch, Glenn A. Cases in Profit Planning and Control. New Jersey: Prentice Hall of India, 1970.
एमएलए उद्धरणWelsch, Glenn A. Cases in Profit Planning and Control. Prentice Hall of India, 1970.
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