Dyfyniad APA

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

Dyfyniad Arddull Chicago

Garland, G. D. Earth's Shape and Gravity. New york: 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.