MLA

Political Handbook of the World, 1981 : Governments, Regional Issues and Intergovernmental Organizations As of January 1, 1981. New York: Published for the Center for Social Analysis of the State University of New York at Binghamton and for the Council on Foreign Relations by McGraw-Hill Book Company, 1981.

APA

(1981). Political handbook of the world, 1981 : governments, regional issues and intergovernmental organizations as of January 1, 1981. New York: Published for the Center for Social Analysis of the State University of New York at Binghamton and for the Council on Foreign Relations by McGraw-Hill Book Company.

Chicago

Political Handbook of the World, 1981 : Governments, Regional Issues and Intergovernmental Organizations As of January 1, 1981. New York: Published for the Center for Social Analysis of the State University of New York at Binghamton and for the Council on Foreign Relations by McGraw-Hill Book Company,, 1981.