Não informado. (1981). Journal of Education for Teaching. Carfax Publishing.
Chicago-referens (17:e uppl.)Não informado. Journal of Education for Teaching. Oxfordshire, Inglaterra: Carfax Publishing, 1981.
MLA-referens (8:e uppl.)Não informado. Journal of Education for Teaching. Carfax Publishing, 1981.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.