Dyfyniad APA

Venkatappa Rao, G. Principles of transportation and highway engineering. Tata McGraw-Hill.

Dyfyniad Arddull Chicago

Venkatappa Rao, G. Principles of Transportation and Highway Engineering. New Delhi: Tata McGraw-Hill.

Dyfyniad MLA

Venkatappa Rao, G. Principles of Transportation and Highway Engineering. Tata McGraw-Hill.

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