Dyfyniad APA

Ashford, N. J., & Wright, P. H. (1984). Airport engineering (2nd ed.). Wiley.

Dyfyniad Arddull Chicago

Ashford, Norman J., and Paul H. Wright. Airport Engineering. 2nd ed. New York: Wiley, 1984.

Dyfyniad MLA

Ashford, Norman J., and Paul H. Wright. Airport Engineering. 2nd ed. Wiley, 1984.

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