(en) Patrick Regan et Sam Bell, « Changing Lanes or Stuck in the Middle: Why Are Anocracies More Prone to Civil Wars? », Political Science Quarterly, vol. 63, no 4, , p. 747–759 (DOI10.1177/1065912909336274, S2CID154960398)
« Rival Strategies of Validation : Tools for Evaluating Measure of Democracy », Comparative Political Studies, vol. 47, no 1, , p. 111-138 (DOI10.1177/0010414013489098, S2CID14026291)
(en) Patrick Regan et Sam Bell, « Changing Lanes or Stuck in the Middle: Why Are Anocracies More Prone to Civil Wars? », Political Science Quarterly, vol. 63, no 4, , p. 747–759 (DOI10.1177/1065912909336274, S2CID154960398)
« Rival Strategies of Validation : Tools for Evaluating Measure of Democracy », Comparative Political Studies, vol. 47, no 1, , p. 111-138 (DOI10.1177/0010414013489098, S2CID14026291)
systemicpeace.org
{{Citation journal |author-last1=Marshall |author-first1=Monty G. |author-last2=Cole |author-first2=Benjamin R. |date=23 juillet 2014 |title=Rapport mondial 2014 - Conflit, gouvernance et fragilité des États |journal=Center for Systemic Peace |url=http://www.systemicpeace.org/vlibrary/GlobalReport2014.pdf}}