Editors by Schwarzenberger ,Georg. (1980). The Year book of world Affairs. Westview Pr..
Chicago Style (17th ed.) ZitazioaEditors by Schwarzenberger ,Georg. The Year Book of World Affairs. Boulder: Westview Pr., 1980.
MLA (9th ed.) ZitazioaEditors by Schwarzenberger ,Georg. The Year Book of World Affairs. Westview Pr., 1980.
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