Dyfyniad APA

Case, K. E., & Fair, R. C. (1999). Principles of microeconomics (5th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Case, Karl E., and Ray C. Fair. Principles of Microeconomics. 5th ed. Upper Saddle River, N.J: Prentice Hall, 1999.

Dyfyniad MLA

Case, Karl E., and Ray C. Fair. Principles of Microeconomics. 5th ed. Prentice Hall, 1999.

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