Dyfyniad APA

Sachs, J. D. (2008). Common wealth: Economics for a crowded planet. Penguin Press.

Dyfyniad Arddull Chicago

Sachs, Jeffrey D. Common Wealth: Economics for a Crowded Planet. New York: Penguin Press, 2008.

Dyfyniad MLA

Sachs, Jeffrey D. Common Wealth: Economics for a Crowded Planet. Penguin Press, 2008.

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