Dyfyniad APA

Romer, D. (1996). Advanced Macroeconomics (1st.). Mc Graw-Hill.

Dyfyniad Arddull Chicago

Romer, David. Advanced Macroeconomics. 1st. New York: Mc Graw-Hill, 1996.

Dyfyniad MLA

Romer, David. Advanced Macroeconomics. 1st. Mc Graw-Hill, 1996.

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