Dyfyniad APA

Hennes, R. G., & Ekse, M. (1955). Fundamentals of Transportation Engineering (2nd.). McGraw-Hill.

Dyfyniad Arddull Chicago

Hennes, Robert G., and Martin Ekse. Fundamentals of Transportation Engineering. 2nd. New York: McGraw-Hill, 1955.

Dyfyniad MLA

Hennes, Robert G., and Martin Ekse. Fundamentals of Transportation Engineering. 2nd. McGraw-Hill, 1955.

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