Supriatna, Jatna; Soekara, Endang; Manullang, Barita O. (1986). "Group composition, home range, and diet of the Maroon leaf monkey (Presbytis rubicunda) at Tanjung Puting reserve, Central Kalimantan, Indonesia". Primates. 27 (2): 185–190. doi:10.1007/BF02382597. S2CID12549086.
Davies, A. G.; Baillie, I. C. (1988). "Soil-eating by red leaf monkeys (Presbytis rubicunda)in Sabah, Northern Borneo". Biotropica. 20 (Association for Tropical Biology and Conservation): 252–258. Bibcode:1988Biotr..20..252D. doi:10.2307/2388241. JSTOR2388241.
Davies, A. G.; Baillie, I. C. (1988). "Soil-eating by red leaf monkeys (Presbytis rubicunda)in Sabah, Northern Borneo". Biotropica. 20 (Association for Tropical Biology and Conservation): 252–258. Bibcode:1988Biotr..20..252D. doi:10.2307/2388241. JSTOR2388241.
Davies, A. G.; Baillie, I. C. (1988). "Soil-eating by red leaf monkeys (Presbytis rubicunda)in Sabah, Northern Borneo". Biotropica. 20 (Association for Tropical Biology and Conservation): 252–258. Bibcode:1988Biotr..20..252D. doi:10.2307/2388241. JSTOR2388241.
Supriatna, Jatna; Soekara, Endang; Manullang, Barita O. (1986). "Group composition, home range, and diet of the Maroon leaf monkey (Presbytis rubicunda) at Tanjung Puting reserve, Central Kalimantan, Indonesia". Primates. 27 (2): 185–190. doi:10.1007/BF02382597. S2CID12549086.