Dyfyniad APA

Barro, R. J. (2008). Macroeconomics: A modern approach. Mason, Ohio: Thomson South-Western.

Dyfyniad Arddull Chicago

Barro, Robert J. Macroeconomics: A Modern Approach. Mason, Ohio: Thomson South-Western, 2008.

Dyfyniad MLA

Barro, Robert J. Macroeconomics: A Modern Approach. Mason, Ohio: Thomson South-Western, 2008.

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