APA (7th ed.) Zitazioa
Alexandre, P. (1967). An introduction to languages and language in Africa. Heinemann.
Chicago Style (17th ed.) Zitazioa
Alexandre, Pierre. An Introduction to Languages and Language in Africa. London: Heinemann, 1967.
MLA (9th ed.) Zitazioa
Alexandre, Pierre. An Introduction to Languages and Language in Africa. Heinemann, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.