Não informado. (1950). Occupational therapy. British Association of Occupational Therapists.
Chicago-referens (17:e uppl.)Não informado. Occupational Therapy. London: British Association of Occupational Therapists, 1950.
MLA-referens (8:e uppl.)Não informado. Occupational Therapy. British Association of Occupational Therapists, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.