Vanhanen, T. 1. 2. (1997). Prospects of democracy: A study of 172 countries. Routledge.
Citazione stile Chigago Style (17a edizione)Vanhanen, Tatu 1929- 2015. Prospects of Democracy: A Study of 172 Countries. London: Routledge, 1997.
Citatione MLA (9a ed.)Vanhanen, Tatu 1929- 2015. Prospects of Democracy: A Study of 172 Countries. Routledge, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.