Educational Policies Commission. (1938). The purposes of education in american democracy. National Education Association of United States.
Cita Chicago (17th ed.)Educational Policies Commission. The Purposes of Education in American Democracy. Washington, D.C: National Education Association of United States, 1938.
Cita MLA (9th ed.)Educational Policies Commission. The Purposes of Education in American Democracy. National Education Association of United States, 1938.
Atenció: Aquestes cites poden no estar 100% correctes.