Commission on Adult Basic Education (U.S.). (1990). Adult basic education. Commission on Adult Basic Education.
Chicago Style aipamenaCommission on Adult Basic Education (U.S.). Adult Basic Education. Athens, Ga.: Commission on Adult Basic Education, 1990.
MLA aipamenaCommission on Adult Basic Education (U.S.). Adult Basic Education. Commission on Adult Basic Education, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.