Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.