APA (7th ed.) Zitazioa
Background Notes on Countries of the World: South Africa. Superintendent of Documents.
Chicago Style (17th ed.) Zitazioa
Background Notes on Countries of the World: South Africa. Superintendent of Documents.
MLA (9th ed.) Zitazioa
Background Notes on Countries of the World: South Africa. Superintendent of Documents.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.