Dyfyniad APA
Chakroborty, P. (2003). principles of transportation engineering. prentice hall.
Dyfyniad Arddull Chicago
Chakroborty, Partho. Principles of Transportation Engineering. New Delhi: prentice hall, 2003.
Dyfyniad MLA
Chakroborty, Partho. Principles of Transportation Engineering. prentice hall, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.