Dyfyniad APA

Krugman, P. R., & Wells, R. (2009). Microeconomics (2nd ed.). Worth Publishers.

Dyfyniad Arddull Chicago

Krugman, Paul R., and Robin Wells. Microeconomics. 2nd ed. New York, NY: Worth Publishers, 2009.

Dyfyniad MLA

Krugman, Paul R., and Robin Wells. Microeconomics. 2nd ed. Worth Publishers, 2009.

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