http://mir-politika.ru/19153-kiev-otkazalsya-ot-zakupok-rossiyskogo-gaza.html
http://www.radiosvoboda.org/content/article/27102522.html
http://www.radiosvoboda.org/content/article/27096307.html
http://expert.ru/2015/06/17/potok-nachnetsya-v-iyule/
http://businessua.com/benzin/18505ekspert-gazprom-zagnav-evropeiskih-partneriv-u-gluhii-kut.html
http://mir-politika.ru/18982-kiev-nashel-sposob-izbavitsya-ot-kontrakta-s-gazpromom.html