Schultz, T. W. (1981). Investment in human capital: The role of education and of research. The Free Press.
Cita Chicago (17th ed.)Schultz, Theodore W. Investment in Human Capital: The Role of Education and of Research. The Free Press, 1981.
Cita MLA (9th ed.)Schultz, Theodore W. Investment in Human Capital: The Role of Education and of Research. The Free Press, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.