Não informado. (1973). California Journal of Teacher Education. California Council on the Education of Teachers.
Chicago-referens (17:e uppl.)Não informado. California Journal of Teacher Education. Fullerton, Calif: California Council on the Education of Teachers, 1973.
MLA-referens (8:e uppl.)Não informado. California Journal of Teacher Education. California Council on the Education of Teachers, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.