International Correspondence Schools. (1904). Dynamos and motors, operation of dynamos and motors, dynamo-electric machinery, geometrical drawing, mechanical drawing, steam heating, steam turbines. International Textbook Company.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Correspondence Schools. Dynamos and Motors, Operation of Dynamos and Motors, Dynamo-electric Machinery, Geometrical Drawing, Mechanical Drawing, Steam Heating, Steam Turbines. Scranton: International Textbook Company, 1904.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)International Correspondence Schools. Dynamos and Motors, Operation of Dynamos and Motors, Dynamo-electric Machinery, Geometrical Drawing, Mechanical Drawing, Steam Heating, Steam Turbines. International Textbook Company, 1904.
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