Dyfyniad APA

Case, K. E. (1995). Principles of macroeconomics. Upper Saddle River: Prentice Hall.

Dyfyniad Arddull Chicago

Case, Karl E. Principles of Macroeconomics. Upper Saddle River: Prentice Hall, 1995.

Dyfyniad MLA

Case, Karl E. Principles of Macroeconomics. Upper Saddle River: Prentice Hall, 1995.

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