Não informado. (2020). Modern Railroads. Cahners Publications Company.
Chicagoスタイル(17版)引用形式Não informado. Modern Railroads. Des Plaines, Ill: Cahners Publications Company, 2020.
MLA(8版)引用形式Não informado. Modern Railroads. Cahners Publications Company, 2020.
警告: この引用は必ずしも正確ではありません.