^Rowthorn, C.; Cohen, M.; Williams, C. (2008).
Borneo. Ediz. Inglese. Lonely Planet Borneo (in Turkish). Lonely Planet. p. 43.
ISBN978-1-74059-105-8. Retrieved July 30, 2016.
^Rowthorn, C.; Cohen, M.; Williams, C. (2008).
Borneo. Ediz. Inglese. Lonely Planet Borneo (in Turkish). Lonely Planet. p. 43.
ISBN978-1-74059-105-8. Retrieved July 30, 2016.