Columbia University. Teachers College. Citizenship Education Project. (1955). When men are free: Premises of American liberty. Published for Teachers College, Columbia University [by] Houghton Mifflin.
Chicago-referens (17:e uppl.)Columbia University. Teachers College. Citizenship Education Project. When Men Are Free: Premises of American Liberty. Boston: Published for Teachers College, Columbia University [by] Houghton Mifflin, 1955.
MLA-referens (8:e uppl.)Columbia University. Teachers College. Citizenship Education Project. When Men Are Free: Premises of American Liberty. Published for Teachers College, Columbia University [by] Houghton Mifflin, 1955.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.