American Academy of Political and Social Science. [Diploma de la American Academy of Political and Social Science (Philadelphia, Pennsylvannia)].
Cita Chicago Style (17a ed.)American Academy of Political and Social Science. [Diploma De La American Academy of Political and Social Science (Philadelphia, Pennsylvannia)].
Cita MLA (9a ed.)American Academy of Political and Social Science. [Diploma De La American Academy of Political and Social Science (Philadelphia, Pennsylvannia)].
Precaución: Estas citas no son 100% exactas.