एपीए उद्धरण

Graaff, J. V. (1979). Theoretical welfare economics. Vikas.

शिकागो स्टाइल उद्धरण

Graaff, J. V. Theoretical Welfare Economics. New Delhi: Vikas, 1979.

एमएलए उद्धरण

Graaff, J. V. Theoretical Welfare Economics. Vikas, 1979.