Citazione Stile APA (7a Edizione)
Schultz, T. W. (1981). Investing in people: <the> economics of population quality. University of California Press.
Citazione stile Chigago Style (17a edizione)
Schultz, Theodore W. Investing in People: <the> Economics of Population Quality. Berkeley: University of California Press, 1981.
Citatione MLA (9a ed.)
Schultz, Theodore W. Investing in People: <the> Economics of Population Quality. University of California Press, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.