Singapore, National Library Board. "CHIJMES - Infopedia". eresources.nlb.gov.sg. Archived from the original on 24 February 2021. Retrieved 9 February 2018.
Singapore, National Library Board. "CHIJMES - Infopedia". eresources.nlb.gov.sg. Archived from the original on 24 February 2021. Retrieved 9 February 2018.