MLA

Political Handbook of the World, 1989 : Governments and Intergovernmental Organizations As of March 15, 1989, with Major Political Developments Noted Through July 15, 1989. Binghamton, N. Y.: CSA Publications ; State University of New York, 1989.

APA

(1989). Political handbook of the world, 1989 : governments and intergovernmental organizations as of March 15, 1989, with major political developments noted through July 15, 1989. Binghamton, N. Y.: CSA Publications ; State University of New York.

Chicago

Political Handbook of the World, 1989 : Governments and Intergovernmental Organizations As of March 15, 1989, with Major Political Developments Noted Through July 15, 1989. Binghamton, N. Y.: CSA Publications ; State University of New York,, 1989.