APA aipamena

Coppock, L. (2014). Principle of Macroeconomics. U.S.A: Norton.

Chicago Style aipamena

Coppock, Lee. Principle of Macroeconomics. U.S.A: Norton, 2014.

MLA aipamena

Coppock, Lee. Principle of Macroeconomics. U.S.A: Norton, 2014.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.