(1939). Education for democracy: The proceedings of the congress on education for democracy held at teachers College, Columbia University August 15,16,17, 1939. Columbia Univ..
Chicago-referens (17:e uppl.)Education for Democracy: The Proceedings of the Congress on Education for Democracy Held at Teachers College, Columbia University August 15,16,17, 1939. New York: Columbia Univ., 1939.
MLA-referens (8:e uppl.)Education for Democracy: The Proceedings of the Congress on Education for Democracy Held at Teachers College, Columbia University August 15,16,17, 1939. Columbia Univ., 1939.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.