Dyfyniad APA

Farmer, R. E. (1999). Macroeconomics. South-Western.

Dyfyniad Arddull Chicago

Farmer, Roger E.A. Macroeconomics. Cincinnati: South-Western, 1999.

Dyfyniad MLA

Farmer, Roger E.A. Macroeconomics. South-Western, 1999.

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