Orley C. Ashenfelter, D. C. (1999). Handbook of Labor Economics. ELSEVIER.
Chicago Style aipamenaOrley C. Ashenfelter, David Card. Handbook of Labor Economics. ELSEVIER, 1999.
MLA aipamenaOrley C. Ashenfelter, David Card. Handbook of Labor Economics. ELSEVIER, 1999.
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