Higgins, M., & Williamson, J. G. (1999). Explaining inequality the world round: Cohort size, Kuznets curve, and openness. National Bureau of Economic Research.
Chicago Style (17. basım) AtıfHiggins, Matthew, ve Jeffrey G. Williamson. Explaining Inequality the World Round: Cohort Size, Kuznets Curve, and Openness. Cambridge: National Bureau of Economic Research, 1999.
MLA (9th ed.) AtıfHiggins, Matthew, ve Jeffrey G. Williamson. Explaining Inequality the World Round: Cohort Size, Kuznets Curve, and Openness. National Bureau of Economic Research, 1999.
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