Não informado. (1979). Railfan and Railroad. Carstens Publications.
Chicagoスタイル(17版)引用形式Não informado. Railfan and Railroad. Newton, Mass: Carstens Publications, 1979.
MLA(8版)引用形式Não informado. Railfan and Railroad. Carstens Publications, 1979.
警告: この引用は必ずしも正確ではありません.