Varian, Hal R. Intermediate microeconomics : a modern approach. - 5th ed. - New York : W. W. Norton and Company, Ltd., 1999. - xxiv, 662 p. : ill. ; 24 cm. Includes index. ISBN: 0393973700 Subjects--Topical Terms: Intermediate.Microeconomics. Dewey Class. No.: 338.5 VAR