Higgins, M., & Williamson, J. G. (1999). Explaining inequality the world round: Cohort size, Kuznets curve, and openness. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Higgins, Matthew, e Jeffrey G. Williamson. Explaining Inequality the World Round: Cohort Size, Kuznets Curve, and Openness. Cambridge: National Bureau of Economic Research, 1999.
Citatione MLA (9a ed.)Higgins, Matthew, e Jeffrey G. Williamson. Explaining Inequality the World Round: Cohort Size, Kuznets Curve, and Openness. National Bureau of Economic Research, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.