Araya Alpízar, C. (2015). Statistical analysis of abstentionism in the presidential elections of Costa Rica, 2014.
Chicago Style aipamenaAraya Alpízar, Carlomagno. Statistical Analysis of Abstentionism in the Presidential Elections of Costa Rica, 2014. 2015.
MLA aipamenaAraya Alpízar, Carlomagno. Statistical Analysis of Abstentionism in the Presidential Elections of Costa Rica, 2014. 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.