Nicholson, Walter. Microeconomic theory : basic principles and extensions / Walter Nicholson. - 7th ed. - Fort Worth : Dryden Press, c1998. - xxiii, 821 p. : ill. ; 25 cm. - The Dryden Press series in economics . Includes bibliographical references and indexes. ISBN: 0030244749 LCCN: 97067941 Subjects--Topical Terms: Microeconomics. LC Class. No.: HB172 / nic 2005 Dewey Class. No.: 338.5