Dyfyniad APA

Astronomical Society of the Pacific. (1972). Mercury. Astronomical Society of the Pacific.

Dyfyniad Arddull Chicago

Astronomical Society of the Pacific. Mercury. San Francisco, Calif.: Astronomical Society of the Pacific, 1972.

Dyfyniad MLA

Astronomical Society of the Pacific. Mercury. Astronomical Society of the Pacific, 1972.

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