https://www.novayagazeta.ru/articles/2018/07/27/77311-prizrak-referenduma
https://www.vedomosti.ru/economics/articles/2018/07/27/776749-referendum
http://www.kasparov.ru/material.php?id=5B5B28AAB3CDE
https://www.gazeta.ru/business/2018/07/27/11873893.shtml
https://www.kommersant.ru/doc/3699946
https://www.bloomberg.com/view/articles/2018-07-26/maybe-russia-doesn-t-need-liberal-democracy
https://ru.krymr.com/a/29386351.html
https://ru.krymr.com/a/29391943.html