Bulgaria IFES Central Electoral Commission – Decision #4400 – March 4, 2017 "Bulgaria's Early Election: Parties' Registration Deadline Expires". novinite.com.
Турция вмешалась в болгарские выборы Bulgaria IFES Central Electoral Commission — Decision #4400 — March 4, 2017 Bulgaria's Early Election: Parties' Registration Deadline Expires (неопр.). novinite.com.