APA (7th ed.) Zitazioa
wall, W. D. (1979). Constructive education for special groups. Unesco.
Chicago Style (17th ed.) Zitazioa
wall, W D. Constructive Education for Special Groups. London: Unesco, 1979.
MLA (9th ed.) Zitazioa
wall, W D. Constructive Education for Special Groups. Unesco, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.