Boothroyd, G. (1975). Fundementals of metal machining and machine tools. Mc Graw - Hill.
शिकागो स्टाइल उद्धरणBoothroyd, Goeffrey. Fundementals of Metal Machining and Machine Tools. New Delhi: Mc Graw - Hill, 1975.
एमएलए उद्धरणBoothroyd, Goeffrey. Fundementals of Metal Machining and Machine Tools. Mc Graw - Hill, 1975.
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