APA Alıntı

Graaff, J. d. V. (1979). Theortetical welfare economics. Vikas publishing house pvt ltd.

Chicago Stili Alıntı

Graaff, J de V. Theortetical Welfare Economics. New Delhi: Vikas publishing house pvt ltd, 1979.

MLA Alıntı

Graaff, J de V. Theortetical Welfare Economics. Vikas publishing house pvt ltd, 1979.