Mootnick, A.; Groves, C. P. (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.
Choudhury, Anwaruddin (1991). "Ecology of the hoolock gibbon (Hylobates hoolock), a lesser ape in the tropical forests of north-eastern India". Journal of Tropical Ecology. 7 (1): 147–153. doi:10.1017/S0266467400005228. JSTOR2559687. S2CID86606996.
Choudhury, Anwaruddin (1991). "Ecology of the hoolock gibbon (Hylobates hoolock), a lesser ape in the tropical forests of north-eastern India". Journal of Tropical Ecology. 7 (1): 147–153. doi:10.1017/S0266467400005228. JSTOR2559687. S2CID86606996.
Mootnick, A.; Groves, C. P. (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.
Choudhury, Anwaruddin (1991). "Ecology of the hoolock gibbon (Hylobates hoolock), a lesser ape in the tropical forests of north-eastern India". Journal of Tropical Ecology. 7 (1): 147–153. doi:10.1017/S0266467400005228. JSTOR2559687. S2CID86606996.