Dyfyniad APA

Graaff, J. V. (1967). Theoretical welfare economics. University Press.

Dyfyniad Arddull Chicago

Graaff, J.De V. Theoretical Welfare Economics. Cambridge: University Press, 1967.

Dyfyniad MLA

Graaff, J.De V. Theoretical Welfare Economics. University Press, 1967.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.