APA (7th ed.) Zitazioa
Africa Research Bulletin: Economic, Financial and Technical Series.
Chicago Style (17th ed.) Zitazioa
Africa Research Bulletin: Economic, Financial and Technical Series.
MLA (9th ed.) Zitazioa
Africa Research Bulletin: Economic, Financial and Technical Series.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.