Robinson, R. (1964). Study guide and workbook to accompany samuelson: Economics (6a ed.). New York: McGraw-Hill.
Citación estilo ChicagoRobinson, Romney. Study Guide and Workbook to Accompany Samuelson: Economics. 6a ed. New York: McGraw-Hill, 1964.
Cita MLARobinson, Romney. Study Guide and Workbook to Accompany Samuelson: Economics. 6a ed. New York: McGraw-Hill, 1964.
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