Graff, J. (1963). Theoretical welfare economics. Univ. Press.
Chicago Style aipamenaGraff, J. Theoretical Welfare Economics. Cambridge: Univ. Press, 1963.
MLA aipamenaGraff, J. Theoretical Welfare Economics. Univ. Press, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.