Roskin, Michael, 1939- Political science : an introduction / Michael G. Roskin, Robert L. Cord, James A. Medeiros, Walter S. Jones. - Thirteenth edition. - New York : Pearson Longman, [2014] - xxi, 334 pages : color illustrations, color maps ; 25 cm Includes bibliographical references and index. LCCN: 2013029562 Subjects--Topical Terms: Political science. LC Class. No.: JA71 / .P623 2014 Dewey Class. No.: 320