APA (7th ed.) Zitazioa
wall, W. D. (1977). Constructive education for adolescents. Unesco.
Chicago Style (17th ed.) Zitazioa
wall, W D. Constructive Education for Adolescents. London: Unesco, 1977.
MLA (9th ed.) Zitazioa
wall, W D. Constructive Education for Adolescents. Unesco, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.