Abel, A. B. (2014). Macroeconomics (8th ed.). Pearson.
Chicago Style (17th ed.) ZitazioaAbel, Andrew B. Macroeconomics. 8th ed. Noida: Pearson, 2014.
MLA (9th ed.) ZitazioaAbel, Andrew B. Macroeconomics. 8th ed. Pearson, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.