Winkler, D. R. (1977). The production of human capital: A study of minority achievement. Arno Press.
Citazione stile Chigago Style (17a edizione)Winkler, Donald R. The Production of Human Capital: A Study of Minority Achievement. New York: Arno Press, 1977.
Citatione MLA (8a ed.)Winkler, Donald R. The Production of Human Capital: A Study of Minority Achievement. Arno Press, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.