Templat:Kebun binatang di Indonesia
Referensi
- http://www.thejakartapost.com/news/2011/02/12/forests-dwindling-fast-orangutan-face-extinction-say-activists.html
- Kisling, Vernon N. (2001). Zoo and Aquarium History: Ancient Animal Collections to Zoological Gardens. CRC Press. ISBN 0-8493-2100-X.