Educational Policies Commission. (1940). Learning the ways of democracy: A case book of civic education. Educational Policies Commission, National Education Association of the United States and the American Association of School Administrators.
Cytowanie według stylu Chicago (wyd. 17)Educational Policies Commission. Learning the Ways of Democracy: A Case Book of Civic Education. Washington, D.C.: Educational Policies Commission, National Education Association of the United States and the American Association of School Administrators, 1940.
Cytowanie według stylu MLA (wyd. 8)Educational Policies Commission. Learning the Ways of Democracy: A Case Book of Civic Education. Educational Policies Commission, National Education Association of the United States and the American Association of School Administrators, 1940.