Lipset, S. M., & Rokkan, S. (1967). Party systems and voter alignments: Cross-national perspectives (2nd printing.). Free Press [etc.].
Cita Chicago Style (17a ed.)Lipset, Seymour Martin, y Stein Rokkan. Party Systems and Voter Alignments: Cross-national Perspectives. 2nd printing. New York [etc.]: Free Press [etc.], 1967.
Cita MLA (9a ed.)Lipset, Seymour Martin, y Stein Rokkan. Party Systems and Voter Alignments: Cross-national Perspectives. 2nd printing. Free Press [etc.], 1967.
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