1. Shively, W. Phillips. Power and Choice: An Introduction to Political Science—Chapter 14 Example: Parliamentary Government in India. McGraw Hill Higher Education, 2008.
2. Mitra, Subrata K. and Singh, V.B.. Democracy and Social Change in India: A Cross-Sectional Analysis of the National Electorate. New Delhi: Sage Publications
3. M.Laxmikanth. Public Administration (9th ed.). Tata Mcgraw Hill. pp. 389–390