Varian, H. R. (1999). Intermediate microeconomics: A modern approach (5th ed.). W.W. Norton & Co..
Cita Chicago (17th ed.)Varian, Hal R. Intermediate Microeconomics: A Modern Approach. 5th ed. New York: W.W. Norton & Co., 1999.
Cita MLA (8th ed.)Varian, Hal R. Intermediate Microeconomics: A Modern Approach. 5th ed. W.W. Norton & Co., 1999.
Atenció: Aquestes cites poden no estar 100% correctes.