APA (7th ed.) Zitazioa
GUNZBURG, H. (1992). DESPITE MENTAL HANDICAP. BRITISH SOCIETY FOR DEVELOPMENTAL DISABILITIES.
Chicago Style (17th ed.) Zitazioa
GUNZBURG, H.C. DESPITE MENTAL HANDICAP. AVON (UK): BRITISH SOCIETY FOR DEVELOPMENTAL DISABILITIES, 1992.
MLA (9th ed.) Zitazioa
GUNZBURG, H.C. DESPITE MENTAL HANDICAP. BRITISH SOCIETY FOR DEVELOPMENTAL DISABILITIES, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.