Case, K. E. , Fair, R. C. and Oster, S. E. Principles of Microeconomics - 12th ed. - Boston : Pearson, 2017. - 526p. : col ill. Includes bibliographical references and index. ISBN: 9781292152691 Subjects--Topical Terms: Microeconomics. LC Class. No.: HB 172 .C36 2017