Nicholson, W. (2005). Microeconomic theory: Basic principles and extentions (9th ed.). Mason, OH: Thomson/South-Western.
Trích dẫn kiểu ChicagoNicholson, Walter. Microeconomic Theory: Basic Principles and Extentions. 9th ed. Mason, OH: Thomson/South-Western, 2005.
Trích dẫn MLANicholson, Walter. Microeconomic Theory: Basic Principles and Extentions. 9th ed. Mason, OH: Thomson/South-Western, 2005.
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