APA-referens

Schultz, T. W. (1980). Investing in people: The economics of population quality. London: University Of California Press.

Chicago-stil citat

Schultz, Theodore W. Investing in People: The Economics of Population Quality. London: University Of California Press, 1980.

MLA-referens

Schultz, Theodore W. Investing in People: The Economics of Population Quality. London: University Of California Press, 1980.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.