Richey, A. S., & Greenough, W. C. (1915). Electric railway handbook: A reference book of practice data, formulas and tables for the use of operators, engineers and students. McGraw-Hill.
Citace podle Chicago (17th ed.)Richey, Albert S., a William C. Greenough. Electric Railway Handbook: A Reference Book of Practice Data, Formulas and Tables for the Use of Operators, Engineers and Students. New York: McGraw-Hill, 1915.
Citace podle MLA (8th ed.)Richey, Albert S., a William C. Greenough. Electric Railway Handbook: A Reference Book of Practice Data, Formulas and Tables for the Use of Operators, Engineers and Students. McGraw-Hill, 1915.
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