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http://www.aic.sg/page.aspx?id=131
2. Attorney General’s Chambers. (1996). Maintenance of Parents Act (Chapter 167b)
http://statutes.agc.gov.sg/aol/search/display/view.w3p;page=0;query=DocId%3A1ce29500-b64a-4000-b8ae120e507c04e8%20%20Status%3Ainforce%20Depth%3A0;rec=0#pr2-he-
3. CPF Annual Report. (2011).
http://mycpf.cpf.gov.sg/NR/rdonlyres/A0CDFD15-B815-4BD8-BC05-15D66F06E062/0/Overview.pdf
4. CPF Board. (2012).
http://mycpf.cpf.gov.sg/CPF/my-cpf/reach-55/Reach55-4.htm
5. Chan, A., Malhotra, C., Malhotra, R., & Østbye, T. (2010). Living arrangements, social networks and depressive symptoms among older men and women in Singapore. International Journal of Geriatric Psychiatry, 26(6), 630–639.