McConnell, Campbell R. Economics : principles, problems, and policies / Campbell R. McConnell, Stanley L. Brue and Sean M. Flynn - 19th ed. - New York : McGraw-Hill/Irwin, c2012. - xxxvi, 801 p. : ill. ; 26 cm. ISBN: 9780071221030 LCCN: Subjects--Topical Terms: Economics. LC Class. No.: HB171.5 / .M47 2012