Poland election: Voters give verdict on four years of right-wing populists. In: The Independent. 13. Oktober 2019; abgerufen im 1. Januar 1 (englisch): „The latest voting intention poll by Kantar has PiS and its allies on 43 per cent, the centre-right liberal Civic Platform on 28 per cent, and the left-of-centre Lewica on 13 per cent.“