Case, Karl E. Principles of economics / Karl E. Case, Ray C. Fair - 7th ed. - New Jersy : b Pearson Education International, c2004. - xlv, 745 p. : ill. ; 28 cm. Includes glossary and index. ISBN: 0131249630 Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .C37 2004