NICHOLSON, W. (1998). Microeconomic Theory Basic Principles And Extensions Walter Nicholson. The Dryden Press.
Lua i Stíl Chicago (17ú heag.)NICHOLSON, Walter. Microeconomic Theory Basic Principles And Extensions Walter Nicholson. The Dryden Press, 1998.
Lua MLA (8ú heag.)NICHOLSON, Walter. Microeconomic Theory Basic Principles And Extensions Walter Nicholson. The Dryden Press, 1998.
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