Não informado. (2004). Railway Mechanical Engineer. Simmons Boardman Publishing.
Cita Chicago Style (17a ed.)Não informado. Railway Mechanical Engineer. Philadelphia, Pa: Simmons Boardman Publishing, 2004.
Cita MLA (8a ed.)Não informado. Railway Mechanical Engineer. Simmons Boardman Publishing, 2004.
Precaución: Estas citas no son 100% exactas.