WORLD.. & DELURY, G. E. (1987). World encyclopedia of political system and parties vol. 1: Afganistan - Luxembourg. Facts on File Publications.
Citazione stile Chigago Style (17a edizione)WORLD.. e George E. DELURY. World Encyclopedia of Political System and Parties Vol. 1: Afganistan - Luxembourg. New York: Facts on File Publications, 1987.
Citatione MLA (9a ed.)WORLD.. e George E. DELURY. World Encyclopedia of Political System and Parties Vol. 1: Afganistan - Luxembourg. Facts on File Publications, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.