Autor, D. H., Levy, F., & Murnane, R. J. (2001). The skill content of recent technological change: An empirical exploration. National Bureau of Economic Research.
Citace podle Chicago (17th ed.)Autor, David H., Frank Levy, a Richard J. Murnane. The Skill Content of Recent Technological Change: An Empirical Exploration. Cambridge: National Bureau of Economic Research, 2001.
Citace podle MLA (9th ed.)Autor, David H., et al. The Skill Content of Recent Technological Change: An Empirical Exploration. National Bureau of Economic Research, 2001.
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