Dyfyniad APA

Konsalik, H. G., & Coburn, O. (1980). They fell from the sky (1st Futura Publications ed.). Futura.

Dyfyniad Arddull Chicago

Konsalik, Heinz G., and Oliver Coburn. They Fell from the Sky. 1st Futura Publications ed. London: Futura, 1980.

Dyfyniad MLA

Konsalik, Heinz G., and Oliver Coburn. They Fell from the Sky. 1st Futura Publications ed. Futura, 1980.

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