APA-referens (7:e uppl.)

Não informado. (2004). Railway Mechanical Engineer. Simmons Boardman Publishing.

Chicago-referens (17:e uppl.)

Não informado. Railway Mechanical Engineer. Philadelphia, Pa: Simmons Boardman Publishing, 2004.

MLA-referens (8:e uppl.)

Não informado. Railway Mechanical Engineer. Simmons Boardman Publishing, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.