Samuelson, P., Coleman, J., & Skidmore, F. (1967). éreadings in economics (5th edition.). McGraw-Hill.
Cita Chicago Style (17a ed.)Samuelson, P.A, J.R Coleman, y F. Skidmore. éreadings in Economics. 5th edition. New York: McGraw-Hill, 1967.
Cita MLA (8a ed.)Samuelson, P.A, et al. éreadings in Economics. 5th edition. McGraw-Hill, 1967.
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