Freeman, R., & Schettkat, R. (2000). Skill compression, wage differentials and employment: Germany vs. the US. National Bureau of Economic Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreeman, Richard, और Ronald Schettkat. Skill Compression, Wage Differentials and Employment: Germany Vs. the US. Cambridge: National Bureau of Economic Research, 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFreeman, Richard, और Ronald Schettkat. Skill Compression, Wage Differentials and Employment: Germany Vs. the US. National Bureau of Economic Research, 2000.
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