Wison Lewis A. (1941). Suggested Unit Course in Blue Print Reading for Beginners in Machine Shop Practice (In lần thứ 1.). American: Bureau of Industrial and Technical Education.
शिकागो स्टाइल उद्धरणWison Lewis A. Suggested Unit Course in Blue Print Reading for Beginners in Machine Shop Practice. In lần thứ 1. American: Bureau of Industrial and Technical Education, 1941.
एमएलए उद्धरणWison Lewis A. Suggested Unit Course in Blue Print Reading for Beginners in Machine Shop Practice. In lần thứ 1. American: Bureau of Industrial and Technical Education, 1941.
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