APA (7th ed.) Zitazioa
(1992). Science in Africa: Innovation in higher education. America association for the advancement of science.
Chicago Style (17th ed.) Zitazioa
Science in Africa: Innovation in Higher Education. Wshington: America association for the advancement of science, 1992.
MLA (9th ed.) Zitazioa
Science in Africa: Innovation in Higher Education. America association for the advancement of science, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.