APA (7th ed.) Zitazioa
ebrary, Inc, & Martens, B. (2002). The institutional economics of foreign aid. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Bertin Martens. The Institutional Economics of Foreign Aid. New York: Cambridge University Press, 2002.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Bertin Martens. The Institutional Economics of Foreign Aid. Cambridge University Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.