Hey, . K., & Sheldrake, . J. (1997). Urban transport. Ashgate.
Chicagoスタイル(17版)引用形式Hey, Keving, , John Sheldrake. Urban Transport. Aldershot: Ashgate, 1997.
MLA(9版)引用形式Hey, Keving, , John Sheldrake. Urban Transport. Ashgate, 1997.
警告: この引用は必ずしも正確ではありません.