Krugman, Paul R. International ecenomics : theory and policy / Paul R. Krugman, Maurice Obstfeld and Marc J. Melitz. - 9th ed. - London : Pearson Addison -Wesley, c2012. - 731 p. : ill. (some col.), maps ; 26 cm. - The Pearson series in economics. . Includes index. ISBN: 9780273754091 (pbk.) Subjects--Topical Terms: International finance. Dewey Class. No.: 337