Goldin, C., & Katz, L. F. (1997). Why the United States led in education: Lessons from secondary school expansion, 1910 to 1940. National Bureau of Economic Research.
Citazione stile Chigago Style (17a edizione)Goldin, Claudia, e Lawrence F. Katz. Why the United States Led in Education: Lessons from Secondary School Expansion, 1910 to 1940. Cambridge: National Bureau of Economic Research, 1997.
Citatione MLA (9a ed.)Goldin, Claudia, e Lawrence F. Katz. Why the United States Led in Education: Lessons from Secondary School Expansion, 1910 to 1940. National Bureau of Economic Research, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.