Evans, B. J.; Supriatna, J.; Melnick, D. J. (2001). "Hybridization and population genetics of two macaque species in Sulawesi, Indonesia". Evolution. 55 (8). The Society for the Study of Evolution: 1688. doi:10.1111/j.0014-3820.2001.tb00688.x. PMID11580028.
Campbell-Smith, Gail; Simanjorang, Hubert V.P.; Leader-Williams, Nigel; Linkie, Matthew (2010). "Local attitudes and perceptions toward crop-raiding by orangutans (Pongo abelii) and other nonhuman primates in northern Sumatra, Indonesia". American Journal of Primatology. 72 (10): 866–876. doi:10.1002/ajp.20822. PMID20301138. S2CID5757864.
Estrada, Alejandro; Raboy, Becky E.; Oliveira, Leonardo C. (2012). "Agroecosystems and Primate Conservation in the Tropics: A Review". American Journal of Primatology. 74 (8): 696–711. doi:10.1002/ajp.22033. PMID22605526. S2CID205329975.
Riley, Erin P.; Priston, Nancy E. C. (2010). "Macaques in farms and folklore: Exploring the human-nonhuman primate interface in Sulawesi, Indonesia". American Journal of Primatology. 72 (10): 848–854. doi:10.1002/ajp.20798. PMID20146249. S2CID23446462.
Evans, B. J.; Supriatna, J.; Melnick, D. J. (2001). "Hybridization and population genetics of two macaque species in Sulawesi, Indonesia". Evolution. 55 (8). The Society for the Study of Evolution: 1688. doi:10.1111/j.0014-3820.2001.tb00688.x. PMID11580028.
Campbell-Smith, Gail; Simanjorang, Hubert V.P.; Leader-Williams, Nigel; Linkie, Matthew (2010). "Local attitudes and perceptions toward crop-raiding by orangutans (Pongo abelii) and other nonhuman primates in northern Sumatra, Indonesia". American Journal of Primatology. 72 (10): 866–876. doi:10.1002/ajp.20822. PMID20301138. S2CID5757864.
Estrada, Alejandro; Raboy, Becky E.; Oliveira, Leonardo C. (2012). "Agroecosystems and Primate Conservation in the Tropics: A Review". American Journal of Primatology. 74 (8): 696–711. doi:10.1002/ajp.22033. PMID22605526. S2CID205329975.
Riley, Erin P.; Priston, Nancy E. C. (2010). "Macaques in farms and folklore: Exploring the human-nonhuman primate interface in Sulawesi, Indonesia". American Journal of Primatology. 72 (10): 848–854. doi:10.1002/ajp.20798. PMID20146249. S2CID23446462.
Campbell-Smith, Gail; Simanjorang, Hubert V.P.; Leader-Williams, Nigel; Linkie, Matthew (2010). "Local attitudes and perceptions toward crop-raiding by orangutans (Pongo abelii) and other nonhuman primates in northern Sumatra, Indonesia". American Journal of Primatology. 72 (10): 866–876. doi:10.1002/ajp.20822. PMID20301138. S2CID5757864.
Estrada, Alejandro; Raboy, Becky E.; Oliveira, Leonardo C. (2012). "Agroecosystems and Primate Conservation in the Tropics: A Review". American Journal of Primatology. 74 (8): 696–711. doi:10.1002/ajp.22033. PMID22605526. S2CID205329975.
Riley, Erin P.; Priston, Nancy E. C. (2010). "Macaques in farms and folklore: Exploring the human-nonhuman primate interface in Sulawesi, Indonesia". American Journal of Primatology. 72 (10): 848–854. doi:10.1002/ajp.20798. PMID20146249. S2CID23446462.