D. Lascoe Orville, A. Nelson Clyde, & W. Porter Harold. (1954). MACHINE SHOP. Operations and setups (In lần thứ 1.). American: Emerican Technical Publishers.
शिकागो स्टाइल उद्धरणD. Lascoe Orville, A. Nelson Clyde, और W. Porter Harold. MACHINE SHOP. Operations and Setups. In lần thứ 1. American: Emerican Technical Publishers, 1954.
एमएलए उद्धरणD. Lascoe Orville, A. Nelson Clyde, और W. Porter Harold. MACHINE SHOP. Operations and Setups. In lần thứ 1. American: Emerican Technical Publishers, 1954.
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