Dyfyniad APA

Attenborough, D. (1984). The living planet: A portait of the earth. New York: Reader's Digest.

Dyfyniad Arddull Chicago

Attenborough, David. The Living Planet: A Portait of the Earth. New York: Reader's Digest, 1984.

Dyfyniad MLA

Attenborough, David. The Living Planet: A Portait of the Earth. New York: Reader's Digest, 1984.

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