The ruling awaited in Palace of Consulta after the public hearing on 3 December 2013 could cause an earthquake the Italian public scene, changing some of coordinates that determine the behavior of politicians and the electorate: Buonomo, Giampiero. La legge elettorale alla prova di costituzionalità. L'Ago e il filo edizione online. 2013 [2017-12-27]. (原始内容存档于2016-03-24). – 通过Questia
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The ruling awaited in Palace of Consulta after the public hearing on 3 December 2013 could cause an earthquake the Italian public scene, changing some of coordinates that determine the behavior of politicians and the electorate: Buonomo, Giampiero. La legge elettorale alla prova di costituzionalità. L'Ago e il filo edizione online. 2013 [2017-12-27]. (原始内容存档于2016-03-24). – 通过Questia