Friedrich, Carl J. (1965). Totalitarian Dictatorship and Autocracy (2nd ed. ed.). Praeger. Unknown parameter |coauthors= ignored (|author= suggested) (help)CS1 maint: extra text (link)
Bueno de Mesquita, Bruce (2003). The Logic of Political Survival. The MIT Press. ISBN0-262-63315-9. Unknown parameter |coauthors= ignored (|author= suggested) (help)
