Dyfyniad APA

Case, K. E., & Fair, R. C. (1992). Principles of microeconomics (2nd ed.). Englewood Cliffs, N.J.: Prentice Hall.

Dyfyniad Arddull Chicago

Case, Karl E., và Ray C. Fair. Principles of Microeconomics. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1992.

Dyfyniad MLA

Case, Karl E., và Ray C. Fair. Principles of Microeconomics. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1992.

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