Orley C. Ashenfelter, D. C. (1999). Handbook of Labor Economics. ELSEVIER.
Chicago Style (17th ed.) CitationOrley C. Ashenfelter, David Card. Handbook of Labor Economics. ELSEVIER, 1999.
MLA (8th ed.) CitationOrley C. Ashenfelter, David Card. Handbook of Labor Economics. ELSEVIER, 1999.
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