Não informado. (1959). Traffic engineering and control. Printerhall.
Chicagoスタイル(17版)引用形式Não informado. Traffic Engineering and Control. London: Printerhall, 1959.
MLA(8版)引用形式Não informado. Traffic Engineering and Control. Printerhall, 1959.
警告: この引用は必ずしも正確ではありません.