Dyfyniad APA

Romer, D. (2006). Advanced macroeconomics (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Romer, David. Advanced Macroeconomics. 3rd ed. Boston, Mass.: McGraw-Hill, 2006.

Dyfyniad MLA

Romer, David. Advanced Macroeconomics. 3rd ed. McGraw-Hill, 2006.

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