Ashenfelter, O., & Hallock, K. F. (1997). Employment, labor unions and wages: The collected essays of Orley Ashenfelter, volume one. Edward Elgar.
Cita Chicago (17th ed.)Ashenfelter, Orley, i Kevin F. Hallock. Employment, Labor Unions and Wages: The Collected Essays of Orley Ashenfelter, Volume One. Cheltenham, U.K: Edward Elgar, 1997.
Cita MLA (9th ed.)Ashenfelter, Orley, i Kevin F. Hallock. Employment, Labor Unions and Wages: The Collected Essays of Orley Ashenfelter, Volume One. Edward Elgar, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.