Schultz, T. W. (1981). Investing in people: The economics of population quality. University of California.
Style de citation Chicago (17e éd.)Schultz, Theodore W. Investing in People: The Economics of Population Quality. London: University of California, 1981.
Style de citation MLA (9e éd.)Schultz, Theodore W. Investing in People: The Economics of Population Quality. University of California, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.