O'Sullivan, Arthur, Economics : principles, applications, and tools / Arthur O'Sullivan, Steven M. Sheffrin, Stephen J. Perez. - Ninth edition, global edition - 765 pages : colour illustrations ; 28 cm. ISBN: 1292165596 9781292165592 Subjects--Topical Terms: Economics LC Class. No.: HB171.5 / OSU Dewey Class. No.: 330