APA (7th ed.) Zitazioa
(2017). African Business: January - June 2017. African Business.
Chicago Style (17th ed.) Zitazioa
African Business: January - June 2017. London: African Business, 2017.
MLA (9th ed.) Zitazioa
African Business: January - June 2017. African Business, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.