Dyfyniad APA

Coyle, J. J. (2000). Transportation (5th ed.). South-Western College Pub. Co.

Dyfyniad Arddull Chicago

Coyle, John Joseph. Transportation. 5th ed. Australia: South-Western College Pub. Co, 2000.

Dyfyniad MLA

Coyle, John Joseph. Transportation. 5th ed. South-Western College Pub. Co, 2000.

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