1. Central Electoral Commission of Lithuania (http://www.vrk.lt).
2. Gini coefficient of equivalised disposable income - EU-SILC survey http://ec.europa.eu/eurostat/tgm/table.do?tab=table%26init=1%26language=en%26pcode=tessi190%26plugin=1, (Accessed 12 December 2016).
3. Effective number of parties: a measure with application to west Europe;Laakso;Comp. Polit. Stud.,1979
4. Lietuvos Valstiečių ir Žaliųjų Sąjunga, www.darnilietuva.lt, (Accessed 10 November 2016).
5. LSDP 2016 m. rinkimų į LR Seimą programa, http://www.lsdpklaipeda.lt/32869-2/, (Accessed 4 November 2016).