APA
(1999). Political Science & Politics - Vol.32 No.2 (1999). Estados Unidos: American Political Science Association.
Chicago
1999. Political Science & Politics - Vol.32 No.2 (1999). Estados Unidos: American Political Science Association.
Harvard
(1999). Political Science & Politics - Vol.32 No.2 (1999). Estados Unidos: American Political Science Association.
MLA
Political Science & Politics - Vol.32 No.2 (1999). Estados Unidos: American Political Science Association. 1999.
