Westinghouse Air Brake Company. (1901). Air brake instruction book of the Westinghouse air brake company. [The Westinghouse air brake co.].
Chicago-referens (17:e uppl.)Westinghouse Air Brake Company. Air Brake Instruction Book of the Westinghouse Air Brake Company. Pittsburg, Pa: [The Westinghouse air brake co.], 1901.
MLA-referens (8:e uppl.)Westinghouse Air Brake Company. Air Brake Instruction Book of the Westinghouse Air Brake Company. [The Westinghouse air brake co.], 1901.
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