Dyfyniad APA

HAY, W. W. (1977). An Introduction To Transportation Engeneering William W. Hay. John Wiley & Sons.

Dyfyniad Arddull Chicago

HAY, William W. An Introduction To Transportation Engeneering William W. Hay. John Wiley & Sons, 1977.

Dyfyniad MLA

HAY, William W. An Introduction To Transportation Engeneering William W. Hay. John Wiley & Sons, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.