एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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