Walder, D.; Lust, E. (2018). „Unwelcome Change: Coming to Terms with Democratic Backsliding“. Annual Review of Political Science. 21 (1): 93–113. doi:10.1146/annurev-polisci-050517-114628. ციტატა: „Backsliding entails deterioration of qualities associated with democratic governance, within any regime. In democratic regimes, it is a decline in the quality of democracy; in autocracies, it is a decline in democratic qualities of governance.“