Dyfyniad APA

Arnold, R. A., & Roger A. Arnold. (2004). Macroeconomics. Mason, Ohio: Thomson South-Western.

Dyfyniad Arddull Chicago

Arnold, Roger A., và Roger A. Arnold. Macroeconomics. Mason, Ohio: Thomson South-Western, 2004.

Dyfyniad MLA

Arnold, Roger A., và Roger A. Arnold. Macroeconomics. Mason, Ohio: Thomson South-Western, 2004.

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