United States. Office of Education. National Survey of School Finance, Cooper, W. J., & Mort, P. R. (1933). State support for public education. The American council on education.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. Office of Education. National Survey of School Finance, William John Cooper, και Paul R. Mort. State Support for Public Education. Washington, D.C.: The American council on education, 1933.
Παραπομπή σε μορφή MLA (8th εκδ.)United States. Office of Education. National Survey of School Finance, et al. State Support for Public Education. The American council on education, 1933.
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