Kurt A. Raaflaub, Josiah Ober, Robert W. Wallace, Origin of Democracy in Ancient Greece, University of California Press, 2007, ISBN 0-520-24562-8, Google Books link
constitution.org
The Federalist No. 10, The Utility of the Union as a Safeguard Against Domestic Faction and Insurrection (continued), Daily Advertiser, Thursday, ngày 22 tháng 11 năm 1787, [James Madison]
Democracy and State Effectiveness, Shaoguang Wang, Department of Government & Public Administration, The Chinese University of Hong Kong
doi.org
Tangian, Andranik (2020). Analytical Theory of Democracy: History, Mathematics and Applications. Studies in Choice and Welfare. Cham, Switzerland: Springer. doi:10.1007/978-3-030-39691-6. ISBN978-3-030-39690-9.
Does Democracy Avert Famine?, MICHAEL MASSING, The New York Times, MARCH 1, 2003, trích "Mr. Sen is famous for his assertion that famines do not occur in democracies. No famine has ever taken place in the history of the world in a functioning democracy,"
