Nicholson, W. (2005). Microeconomic theory: Basic principles and extensions (9th ed.). Thomson South-Western.
Cita Chicago (17th ed.)Nicholson, Walter. Microeconomic Theory: Basic Principles and Extensions. 9th ed. Mason, OH: Thomson South-Western, 2005.
Cita MLA (9th ed.)Nicholson, Walter. Microeconomic Theory: Basic Principles and Extensions. 9th ed. Thomson South-Western, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.