Não informado. (1964). American Educational Research Journal. American Educational Research Association.
Chicago-referens (17:e uppl.)Não informado. American Educational Research Journal. Washington: American Educational Research Association, 1964.
MLA-referens (8:e uppl.)Não informado. American Educational Research Journal. American Educational Research Association, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.