Dyfyniad APA

Rolfe, D., & Dawydoff, A. (1969). Airplanes of the world, 1490 to 1969 (3rd rev. and enl. ed.). Simon and Schuster.

Dyfyniad Arddull Chicago

Rolfe, Douglas, and Alexis Dawydoff. Airplanes of the World, 1490 to 1969. 3rd rev. and enl. ed. New York: Simon and Schuster, 1969.

Dyfyniad MLA

Rolfe, Douglas, and Alexis Dawydoff. Airplanes of the World, 1490 to 1969. 3rd rev. and enl. ed. Simon and Schuster, 1969.

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