Não informado. (1938). Traffic Engineering. Institute of Traffic Engineering.
Chicagoスタイル(17版)引用形式Não informado. Traffic Engineering. New York: Institute of Traffic Engineering, 1938.
MLA(8版)引用形式Não informado. Traffic Engineering. Institute of Traffic Engineering, 1938.
警告: この引用は必ずしも正確ではありません.