Educational Policies Commission. (1938). The purposes of education in american democracy. National Education Association of United States.
Citazione stile Chigago Style (17a edizione)Educational Policies Commission. The Purposes of Education in American Democracy. Washington, D.C: National Education Association of United States, 1938.
Citatione MLA (9a ed.)Educational Policies Commission. The Purposes of Education in American Democracy. National Education Association of United States, 1938.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.