APA (7th ed.) Zitazioa
Guide to current national bibliographies in the third world.
Chicago Style (17th ed.) Zitazioa
Guide to Current National Bibliographies in the Third World.
MLA (9th ed.) Zitazioa
Guide to Current National Bibliographies in the Third World.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.