Bertsch, Gary K. Comparing political systems : power and policy in three worlds / Gary K. Bertsch, Robert P. Clark, David M. Wood. - 3rd ed. - New York : Macmillan, c1986. - xxviii, 555 p. : ill. ; 25 cm. Includes bibliographies and index. ISBN: 0023091703 LCCN: 85017855 //r90 Subjects--Topical Terms: Comparative government. LC Class. No.: JF51 JF51 JF51 / .B48 1986 / .B48 / .B48 Dewey Class. No.: 320.3