Perry, N. W. (1894). Electric railway motors: Their construction, operation and maintenance ; an elementary practical handbook for those engaged in the management and operation of electric railway apparatus, with rules and instructions for motormen. Street Railway Gazette Co.
Chicago-Zitierstil (17. Ausg.)Perry, Nelson W. Electric Railway Motors: Their Construction, Operation and Maintenance ; an Elementary Practical Handbook for Those Engaged in the Management and Operation of Electric Railway Apparatus, with Rules and Instructions for Motormen. New York: Street Railway Gazette Co, 1894.
MLA-Zitierstil (9. Ausg.)Perry, Nelson W. Electric Railway Motors: Their Construction, Operation and Maintenance ; an Elementary Practical Handbook for Those Engaged in the Management and Operation of Electric Railway Apparatus, with Rules and Instructions for Motormen. Street Railway Gazette Co, 1894.