Dyfyniad APA

Swinerd, G. (2008). How spacecraft fly: Spaceflight without formulae. Springer.

Dyfyniad Arddull Chicago

Swinerd, Graham. How Spacecraft Fly: Spaceflight Without Formulae. New York: Springer, 2008.

Dyfyniad MLA

Swinerd, Graham. How Spacecraft Fly: Spaceflight Without Formulae. Springer, 2008.

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