Educational Policies Commission. (1938). The purposes of education in american democracy. National Education Association of United States.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Educational Policies Commission. The Purposes of Education in American Democracy. Washington, D.C: National Education Association of United States, 1938.
MLA -ийн эшлэл (9 дэх хэвлэлт)Educational Policies Commission. The Purposes of Education in American Democracy. National Education Association of United States, 1938.
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