Westinghouse Air Brake Company. (1901). Air brake instruction book of the Westinghouse air brake company. [The Westinghouse air brake co.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWestinghouse Air Brake Company. Air Brake Instruction Book of the Westinghouse Air Brake Company. Pittsburg, Pa: [The Westinghouse air brake co.], 1901.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWestinghouse Air Brake Company. Air Brake Instruction Book of the Westinghouse Air Brake Company. [The Westinghouse air brake co.], 1901.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.