APA (7th ed.) Zitazioa
(2000). Aid activities in Africa 1998-1999 = Activites d'aide en Afrique 1998-1999: Creditor reporting system : aid activities. OECD.
Chicago Style (17th ed.) Zitazioa
Aid Activities in Africa 1998-1999 = Activites D'aide En Afrique 1998-1999: Creditor Reporting System : Aid Activities. Paris Cedex, France: OECD, 2000.
MLA (9th ed.) Zitazioa
Aid Activities in Africa 1998-1999 = Activites D'aide En Afrique 1998-1999: Creditor Reporting System : Aid Activities. OECD, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.