Dyfyniad APA

Hawken, P. (1983). The next economy. New York: Holt, Rinehart, and Winston.

Dyfyniad Arddull Chicago

Hawken, Paul. The Next Economy. New York: Holt, Rinehart, and Winston, 1983.

Dyfyniad MLA

Hawken, Paul. The Next Economy. New York: Holt, Rinehart, and Winston, 1983.

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