Não informado. (1976). Curriculum Review. Curriculum Advisory Service.
Chicago-referens (17:e uppl.)Não informado. Curriculum Review. Chicago, Ill: Curriculum Advisory Service, 1976.
MLA-referens (8:e uppl.)Não informado. Curriculum Review. Curriculum Advisory Service, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.