Dyfyniad APA

Ashford, N., & Wright, H. P. (1984). Airport Engineering. John Wiley.

Dyfyniad Arddull Chicago

Ashford, Norman, and H. Paul Wright. Airport Engineering. New York: John Wiley, 1984.

Dyfyniad MLA

Ashford, Norman, and H. Paul Wright. Airport Engineering. John Wiley, 1984.

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