Farmer, R. (2002). Macroeconomics (2nd.). South Western.
Dyfyniad Arddull ChicagoFarmer, Roger. Macroeconomics. 2nd. Singapore: South Western, 2002.
Dyfyniad MLAFarmer, Roger. Macroeconomics. 2nd. South Western, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.