Understanding foreign policy : the foreign policy systems approach / edited by Michael Clarke and Brian White. Introduction to foreign policy analysis. Clarke, Michael 1950- White, Brian 1947- International relations Research. JX1291 .U46 1989 327 20 CLU Includes bibliographical references and index. Aldershot, Hants, England : E. Elgar ; c1989. c1989. 1989 Text vii, 222 p. : eng