Quirk, J. P., & Saposnik, R. (1968). Introduction to general equilibrium theory and welfare economics. McGraw-Hill.

Quirk, James P., and Rubin Saposnik. Introduction to General Equilibrium Theory and Welfare Economics. New York: McGraw-Hill, 1968.

Quirk, James P., and Rubin Saposnik. Introduction to General Equilibrium Theory and Welfare Economics. McGraw-Hill, 1968.