APA (7th ed.) Zitazioa

Ellsworth, P. T. (1969). The international economy (4th ed.). Macmillan.

Chicago Style (17th ed.) Zitazioa

Ellsworth, Paul Theodore. The International Economy. 4th ed. NewYork: Macmillan, 1969.

MLA (9th ed.) Zitazioa

Ellsworth, Paul Theodore. The International Economy. 4th ed. Macmillan, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.