Nicholson, W. (2007). Cram101 textbook outlines to accompany: Microeconomic theory: basic principles and extensions (8th ed.). Academic Internet Publishers.

Nicholson, Walter. Cram101 Textbook Outlines to Accompany: Microeconomic Theory: Basic Principles and Extensions. 8th ed. New York: Academic Internet Publishers, 2007.

Nicholson, Walter. Cram101 Textbook Outlines to Accompany: Microeconomic Theory: Basic Principles and Extensions. 8th ed. Academic Internet Publishers, 2007.