APA (7th ed.) Zitazioa
Adjangba, A. M. (1988). Food production and agriculture in Africa. Foundation publishing company.
Chicago Style (17th ed.) Zitazioa
Adjangba, Anoumou M. Food Production and Agriculture in Africa. Athens: Foundation publishing company, 1988.
MLA (9th ed.) Zitazioa
Adjangba, Anoumou M. Food Production and Agriculture in Africa. Foundation publishing company, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.