Dyfyniad APA

Case, K. E., & Fair, R. C. (2007). Principles of macroeconomics (8th ed.). Pearson Prentice Hall.

Dyfyniad Arddull Chicago

Case, Karl E., and Ray C. Fair. Principles of Macroeconomics. 8th ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2007.

Dyfyniad MLA

Case, Karl E., and Ray C. Fair. Principles of Macroeconomics. 8th ed. Pearson Prentice Hall, 2007.

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