Dyfyniad APA

(1990). American airport designs. American Institute of Architects Press.

Dyfyniad Arddull Chicago

American Airport Designs. Washington, D.C.: American Institute of Architects Press, 1990.

Dyfyniad MLA

American Airport Designs. American Institute of Architects Press, 1990.

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