Guinjoan i Cesena, M. (2014). Parties, elections and electoral contests: Competition and contamination effects. Ashgate.
Tohutoru Kātū Chicago (17th ed.)Guinjoan i Cesena, Marc. Parties, Elections and Electoral Contests: Competition and Contamination Effects. Farnham, England: Ashgate, 2014.
Tohutoro MLA (9th ed.)Guinjoan i Cesena, Marc. Parties, Elections and Electoral Contests: Competition and Contamination Effects. Ashgate, 2014.
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