Groves, Colin 2005. Wilson D.E. & Reeder, D.M. (eds) Mammal Species of the World. 3rd ed, Johns Hopkins University Press, 178–181. [1]ISBN0-801-88221-4
doi.org
Mootnick, Alan; Groves, Colin (2005). "A new generic name for the hoolock gibbon (Hylobatidae)". International Journal of Primatology. 26 (4): 971–976. doi:10.1007/s10764-005-5332-4. S2CID8394136.
Mootnick, Alan; Groves, Colin (2005). "A new generic name for the hoolock gibbon (Hylobatidae)". International Journal of Primatology. 26 (4): 971–976. doi:10.1007/s10764-005-5332-4. S2CID8394136.