Cita APA (7th ed.)

Dale, S. B., & Krueger, A. B. (1999). Estimating the payoff to attending a more selective college: An application of selection on observables and unobservables. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Dale, Stacy Berg, i Alan B. Krueger. Estimating the Payoff to Attending a More Selective College: An Application of Selection on Observables and Unobservables. Cambridge: National Bureau of Economic Research, 1999.

Cita MLA (9th ed.)

Dale, Stacy Berg, i Alan B. Krueger. Estimating the Payoff to Attending a More Selective College: An Application of Selection on Observables and Unobservables. National Bureau of Economic Research, 1999.