Wells, H. (1961). Government financing of political parties in Puerto Rico. Citizens' Research Foundation.
Chicago-referens (17:e uppl.)Wells, Henry. Government Financing of Political Parties in Puerto Rico. Princeton, N. J: Citizens' Research Foundation, 1961.
MLA-referens (9:e uppl.)Wells, Henry. Government Financing of Political Parties in Puerto Rico. Citizens' Research Foundation, 1961.
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