Eckardt, R. (2013). Beyond 'Any' and 'Ever': New explorations in negative polarity sensitivity. De Gruyter.
Chicago Style (17th ed.) ZitazioaEckardt, Regine. Beyond 'Any' and 'Ever': New Explorations in Negative Polarity Sensitivity. Berlin: De Gruyter, 2013.
MLA (9th ed.) ZitazioaEckardt, Regine. Beyond 'Any' and 'Ever': New Explorations in Negative Polarity Sensitivity. De Gruyter, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.