Educational Policies Commission. (1940). Learning the ways of democracy: A case book of civil education. Educational Policies commission National Education Association of the United States and the American Association of School Administration.
Lua i Stíl Chicago (17ú heag.)Educational Policies Commission. Learning the Ways of Democracy: A Case Book of Civil Education. Washington, D.C: Educational Policies commission National Education Association of the United States and the American Association of School Administration, 1940.
Lua MLA (9ú heag.)Educational Policies Commission. Learning the Ways of Democracy: A Case Book of Civil Education. Educational Policies commission National Education Association of the United States and the American Association of School Administration, 1940.