1. The separation of powers in Ukraine
2. Putin's Power Plays;Tompson;World Today,2000
3. Suny, Ronald. 1993. Looking toward Ararat: Armenia in Modern History. Bloomington: Indiana University Press
4. Tigrid, Pavel. 1975. The Prague Coup of 1948: The Elegant Takeover. 399–432 in Thomas Hammond (ed.), The Anatomy of Communist Takeovers. New Haven, CT: Yale University Press
5. Utechin, Sergei. 1964. Russian Political Thought: A Concise History. New York: Praeger