Não informado. (1947). Traffic quarterly. Eno Foundation for Transportation.
Chicagoスタイル(17版)引用形式Não informado. Traffic Quarterly. Westport, Conn: Eno Foundation for Transportation, 1947.
MLA(8版)引用形式Não informado. Traffic Quarterly. Eno Foundation for Transportation, 1947.
警告: この引用は必ずしも正確ではありません.