APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.