Não informado. (1976). RAILWAY ENGINEER. Mechanical Engineering Publications.
Chicagoスタイル(17版)引用形式Não informado. RAILWAY ENGINEER. London: Mechanical Engineering Publications, 1976.
MLA(8版)引用形式Não informado. RAILWAY ENGINEER. Mechanical Engineering Publications, 1976.
警告: この引用は必ずしも正確ではありません.