Não informado. (2004). Railway Mechanical and Electrical Engineer. Simmons Boardman Publishing.
Čikaški stil citiranja (17. izdanje)Não informado. Railway Mechanical and Electrical Engineer. Philadelphia, Pa: Simmons Boardman Publishing, 2004.
MLA način citiranja (8. izdanje)Não informado. Railway Mechanical and Electrical Engineer. Simmons Boardman Publishing, 2004.
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