1. Ministry of National Development. (n.d.). From Garden City to City in A Garden. http://www.mnd.gov.sg/MNDAPPImages/About%20Us/From%20Garden%20City%20to%20City%20in%20a%20Garden.pdf
2. National Parks Board. City In A Garden (2017a). https://www.nparks.gov.sg/about-us/city-in-a-garden
3. National Parks Board. Mission and History (2017b). https://www.nparks.gov.sg/about-us/mission-and-history
4. Urban Redevelopment Authority. Designing Our City (2013). https://www.ura.gov.sg/skyline/skyline12/skyline12-03/special/URA_Designing%20our%20City%20Supplement_July12.pdf
5. National Parks Board. Skyrise Greenery (2017c). https://www.nparks.gov.sg/skyrisegreenery/