Nicholson, Walter. Microeconomic theory: basic principles and extensions./ by Christopher Snyder , Walter Nicholson. - 11th ed. - Hinsdale, Ill., Cengage Learning, c2012. - xvii, 557 p. illus. 24 cm. Includes bibliographical references. ISBN: 0030890942 Subjects--Topical Terms: Microeconomics. Dewey Class. No.: 338.5 / SNM