Dyfyniad APA

Gordon, R. J. (1993). Macroeconomics (Sixth edition.). HarperCollins College Publishers.

Dyfyniad Arddull Chicago

Gordon, Robert J. Macroeconomics. Sixth edition. New York: HarperCollins College Publishers, 1993.

Dyfyniad MLA

Gordon, Robert J. Macroeconomics. Sixth edition. HarperCollins College Publishers, 1993.

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