Dyfyniad APA

Diamandis, P. H., & Kotler, S. (2012). Abundance: The future is better than you think (1st Free Press hardcover ed.). Free Press.

Dyfyniad Arddull Chicago

Diamandis, Peter H., and Steven Kotler. Abundance: The Future Is Better than You Think. 1st Free Press hardcover ed. New York: Free Press, 2012.

Dyfyniad MLA

Diamandis, Peter H., and Steven Kotler. Abundance: The Future Is Better than You Think. 1st Free Press hardcover ed. Free Press, 2012.

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