Cita APA (7a ed.)
Samuelson, P. A., & Nordhaus, W. D. (1989). Microeconomics (13a.ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
Samuelson, PAul Anthony, y William D. Nordhaus. Microeconomics. 13a.ed. New York: McGraw-Hill, 1989.
Cita MLA (9a ed.)
Samuelson, PAul Anthony, y William D. Nordhaus. Microeconomics. 13a.ed. McGraw-Hill, 1989.
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