Conference on Research in Income and Wealth, University of Wisconsin. Dept. of Economics, Conference on Education and Income, University of Wisconsin, 1968, & Hansen, W. L. (1970). Education, income, and human capital. National Bureau of Economic Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रConference on Research in Income and Wealth, University of Wisconsin. Dept. of Economics, University of Wisconsin Conference on Education and Income, और W. Lee Hansen. Education, Income, and Human Capital. New York: National Bureau of Economic Research, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रConference on Research in Income and Wealth, et al. Education, Income, and Human Capital. National Bureau of Economic Research, 1970.
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