Não informado. (2004). Education & Treatment of Children. Pressley Ridge School.
Chicago-referens (17:e uppl.)Não informado. Education & Treatment of Children. Pittsburgh, Pa: Pressley Ridge School, 2004.
MLA-referens (8:e uppl.)Não informado. Education & Treatment of Children. Pressley Ridge School, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.