Não informado. (1976). RAILWAY ENGINEER. Mechanical Engineering Publications.
Chicago-Zitierstil (17. Ausg.)Não informado. RAILWAY ENGINEER. London: Mechanical Engineering Publications, 1976.
MLA-Zitierstil (8. Ausg.)Não informado. RAILWAY ENGINEER. Mechanical Engineering Publications, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.