APA (7th ed.) Zitazioa

(2020). Economics (20th ed.). McGrae Hill Education.

Chicago Style (17th ed.) Zitazioa

Economics. 20th ed. New York: McGrae Hill Education, 2020.

MLA (9th ed.) Zitazioa

Economics. 20th ed. McGrae Hill Education, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.