Samuelson, P. A. (1980). Instructor's manual to accompany Samuelson: Economics (11th ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Samuelson, Paul A. Instructor's Manual to Accompany Samuelson: Economics. 11th ed. New York: McGraw-Hill, 1980.
Cita MLA (8a ed.)Samuelson, Paul A. Instructor's Manual to Accompany Samuelson: Economics. 11th ed. McGraw-Hill, 1980.
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