Bertsch, Gary K. Comparing political systems : power and policy in three worlds / Gary K. Bertsch, Robert P. Clark, David M. Wood. - 2nd ed. - New York : Wiley, 1982. - viii, 548 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 0471084468 Subjects--Topical Terms: Comparative government. Dewey Class. No.: 320.3 BER