Dyfyniad APA

Garland G D. (1965). Earth's shape and gravity. Pergamon Press.

Dyfyniad Arddull Chicago

Garland G D. Earth's Shape and Gravity. Oxford: Pergamon Press, 1965.

Dyfyniad MLA

Garland G D. Earth's Shape and Gravity. Pergamon Press, 1965.

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