Roskin, Michael Political science : an introduction / Michael G. Roskin ... [et al.]. - 12th ed. - Boston : Pearson Longman, c2012. - xvi, 383 p. : ill. (some col.) ; 24 cm. Includes bibliographical references and index. ISBN: 9780205075942 0205075940 LCCN: 2010052277 Subjects--Topical Terms: Political science. LC Class. No.: JA71 / .P623 2012 Dewey Class. No.: 320