Não informado. (1961). The Humanist Educator. American Personnel and Guidance Association.
Chicago-referens (17:e uppl.)Não informado. The Humanist Educator. Falls Church, Va: American Personnel and Guidance Association, 1961.
MLA-referens (8:e uppl.)Não informado. The Humanist Educator. American Personnel and Guidance Association, 1961.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.