Credits

• http://malayannals.blogspot.sg/
• https://www.thesingaporepromise.sg/?tabid=1677
• http://juniorhistorians101.blogspot.sg/2014/03/history-of-singapore-before-1819.html
• http://www.postcardman.net/singapore_topo.html

• Singapore from Temasek to the 21st Century, by Karl Hack (Author, Editor), Jean-Louis Margolin (Editor), Karine Delaye (Editor)