-
Image by https://www.instagram.com/p/BA7L8cSxGEa/?taken-by=woantingz via https://www.instagram.com/.
-
Singapore Botanic Gardens. (n.d.). Retrieved February 05, 2016, from https://en.wikipedia.org/wiki/Singapore_Botanic_Gardens
-
Singapore Botanic Gardens. (n.d.). Retrieved February 05, 2016, from http://www.yoursingapore.com/see-do-singapore/nature-wildlife/parks-gardens/singapore-botanic-gardens.html
-
J. (2013, May 21). Attractions Management. Retrieved February 05, 2016, from http://attractionsmanagementboy.blogspot.sg/2013/05/singapore-botanic-gardens.html
-
Singapore Botanical Gardens. (n.d.). Retrieved February 05, 2016, from http://whc.unesco.org/en/list/1483
-
Otwani, M., & Ariffin, N. A. (2015, July 5). Singapore Botanic Gardens declared UNESCO World Heritage Site. Retrieved February 05, 2016, from http://www.channelnewsasia.com/news/singapore/singapore-botanic-gardens/1960028.html
-
Herbarium. (n.d.). Retrieved February 6, 2016, from https://www.sbg.org.sg/index.php?option=com_k2&view=item&layout=item&id=47&Itemid=4
-
Orchid Breeding & Conservation Biotechnology Laboratory. (n.d.). Retrieved February 6, 2016, from https://www.sbg.org.sg/index.php?option=com_k2&view=item&layout=item&id=49&Itemid=66
-
C. F., Wee. (2014, June 20). Botanic Gardens top park in Asia on Tripadvisor. Retrieved February 6, 2016, from http://news.asiaone.com/news/relax/botanic-gardens-top-park-asia-tripadvisor
-
Lim, T., & Rahman, N. A. (2015, August 27). Singapore Botanic Gardens. Retrieved February 6, 2016, from http://eresources.nlb.gov.sg/infopedia/articles/SIP_545_2005-01-24.html
-
Zaccheus, M. (2015, July 5). Unesco title plants Singapore firmly on world map. Retrieved February 05, 2016, from http://news.asiaone.com/news/singapore/unesco-title-plants-singapore-firmly-world-map
-
Visit Us. (n.d.). Retrieved February 6, 2016, from https://www.sbg.org.sg/index.php?option=com_k2&view=item&layout=item&id=1&Itemid=2
-
2016 National Parks Board (2016, January 7). Singapore Botanic Gardens. Retrieved February 6, 2016, from https://www.nparks.gov.sg/gardens-parks-and-nature/singapore-botanic-gardens