Cita APA (7th ed.)
Graaff, J. d. V. (1967). Theoretical welfare economics. Cambridge Univ..
Cita Chicago (17th ed.)
Graaff, J. de V. Theoretical Welfare Economics. Cambridge: Cambridge Univ., 1967.
Cita MLA (9th ed.)
Graaff, J. de V. Theoretical Welfare Economics. Cambridge Univ., 1967.
Atenció: Aquestes cites poden no estar 100% correctes.