Schultz, T. W. (1963). The economic value of education. Columbia U. P..
Cita Chicago (17th ed.)Schultz, Theodore W. The Economic Value of Education. New York: Columbia U. P., 1963.
Cita MLA (9th ed.)Schultz, Theodore W. The Economic Value of Education. Columbia U. P., 1963.
Atenció: Aquestes cites poden no estar 100% correctes.