Dyfyniad APA

MYERS, N. (1990). The gaia atlas of future worlds: Challenge and opportu-nity in an age of change. Anchor Books.

Dyfyniad Arddull Chicago

MYERS, Norman. The Gaia Atlas of Future Worlds: Challenge and Opportu-nity in an Age of Change. New York: Anchor Books, 1990.

Dyfyniad MLA

MYERS, Norman. The Gaia Atlas of Future Worlds: Challenge and Opportu-nity in an Age of Change. Anchor Books, 1990.

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