Dyfyniad APA

Lovell, B. (1962). The exploration of outer space ([1st ed.].). Harper & Row.

Dyfyniad Arddull Chicago

Lovell, Bernard. The Exploration of Outer Space. [1st ed.]. New York: Harper & Row, 1962.

Dyfyniad MLA

Lovell, Bernard. The Exploration of Outer Space. [1st ed.]. Harper & Row, 1962.

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