1. Barr, M. (2014). The Ruling Elite of Singapore: Networks of Power and Influence. United Kingdom: IB Tauris.
2. Cho-Oon K. (1996). Singapore: Political Legitimacy through Managing Conformity, In M. Alagappa (Ed.), Political Legitimacy in Southeast Asia (pp. 108−135). Stanford: Stanford University Press.
3. Chua B. H. (1997). Political Legitimacy and Housing: Stakeholding in Singapore. London: Routledge.
4. Chua, V., Tan, E. S., Koh, G. (2017). A Study of Social Capital in Singapore. http://lkyspp2.nus.edu.sg/ips/wp-content/uploads/sites/2/2017/11/Study-of-Social-Capital-in-Singapore_281217.pdf . Accessed January 20, 2018.
5. da Cunha, D. (2012). Breakthrough: Roadmap for Singapore’s Political Future, Singapore: Institute of Policy Studies.