Bertsch, Gary K. Comparing political systems : power and policy in three worlds / Gary K. Bertsch, Robert P. Clark, David M. Wood. - New York : Wiley, c1978. - ix, 515 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 0471026743 LCCN: 77027575 Subjects--Topical Terms: Comparative government. Dewey Class. No.: 320.3 / BEC 1978