APA (7th ed.) Zitazioa

Wheeler, J. C. (1987). Development Cooperation. OECD.

Chicago Style (17th ed.) Zitazioa

Wheeler, Joseph C. Development Cooperation. Paris: OECD, 1987.

MLA (9th ed.) Zitazioa

Wheeler, Joseph C. Development Cooperation. OECD, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.