1. Becker, G. (1975). Human capital: A theoretical and empirical analysis (2nd ed.). New York: Columbia University Press.
2. Becker, G. (1992). Human capital and the economy. Proceedings of the American Philosophical Society, 136(1), 85–92.
3. Becker, G. (1993). Nobel lecture: The economic way of looking at behaviour. The Journal of Political Economy, 101(3), 385–409.
4. Becker, G. (2002). Human capital. Paper given at the University of Montevideo. Retrieved from
http://www.um.edu.uy/docs/revistafcee/2002/humancapitalBecker.pdf
5. Gillies, D. (2011). State education as high-yield investment: Human Capital Theory in European policy discourse. Journal of Pedagogy, 2(2), 224–245.