WORLD.. & DELURY, G. E. (1987). World encyclopedia of political system and parties vol. 1: Afganistan - Luxembourg. Facts on File Publications.
Style de citation Chicago (17e éd.)WORLD.. et George E. DELURY. World Encyclopedia of Political System and Parties Vol. 1: Afganistan - Luxembourg. New York: Facts on File Publications, 1987.
Style de citation MLA (9e éd.)WORLD.. et George E. DELURY. World Encyclopedia of Political System and Parties Vol. 1: Afganistan - Luxembourg. Facts on File Publications, 1987.
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