Dyfyniad APA

Case, K. E. (1996). Principles of macroeconomics (4th ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Case, Karl E. Principles of Macroeconomics. 4th ed. Upper Saddle River, N.J: Prentice-Hall, 1996.

Dyfyniad MLA

Case, Karl E. Principles of Macroeconomics. 4th ed. Prentice-Hall, 1996.

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