Delury, G. E., & Kaple, D. A. (1999). World encyclopedia of political systems and parties. Facts on File.
Cita Chicago Style (17a ed.)Delury, George E., y Deborah A. Kaple. World Encyclopedia of Political Systems and Parties. New York: Facts on File, 1999.
Cita MLA (9a ed.)Delury, George E., y Deborah A. Kaple. World Encyclopedia of Political Systems and Parties. Facts on File, 1999.
Precaución: Estas citas no son 100% exactas.