Link, Andrés; Valencia, Lina María; Céspedes, Laura Natalia; Duque, Liz Diana; Cadena, Carlos Daniel & Di Fiore, Anthony (2015). "Phylogeography of the critically endangered brown spider monkey (Ateles hybridus): testing the riverine barrier hypothesis". International Journal of Primatology. 36 (3): 530–547. doi:10.1007/s10764-015-9840-6. S2CID17621468.
Mittermeier, R.A.; Wallis, J.; Rylands, A.B.; Ganzhorn, J.U.; Oates, J.F.; Williamson, E.A.; Palacios, E.; Heymann, E.W.; Kierulff, M.C.M.; Long Yongcheng; Supriatna, J.; Roos, C.; Walker, S.; Cortés-Ortiz, L. & Schwitzer, C., eds. (2009). Primates in peril: the world's 25 most endangered primates 2008–2010(PDF). Illustrated by S.D. Nash. Arlington, VA.: IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), and Conservation International (CI). pp. 1–92. ISBN978-1-934151-34-1. Archived from the original(PDF) on 2011-07-23.
Link, Andrés; Valencia, Lina María; Céspedes, Laura Natalia; Duque, Liz Diana; Cadena, Carlos Daniel & Di Fiore, Anthony (2015). "Phylogeography of the critically endangered brown spider monkey (Ateles hybridus): testing the riverine barrier hypothesis". International Journal of Primatology. 36 (3): 530–547. doi:10.1007/s10764-015-9840-6. S2CID17621468.
Mittermeier, R.A.; Wallis, J.; Rylands, A.B.; Ganzhorn, J.U.; Oates, J.F.; Williamson, E.A.; Palacios, E.; Heymann, E.W.; Kierulff, M.C.M.; Long Yongcheng; Supriatna, J.; Roos, C.; Walker, S.; Cortés-Ortiz, L. & Schwitzer, C., eds. (2009). Primates in peril: the world's 25 most endangered primates 2008–2010(PDF). Illustrated by S.D. Nash. Arlington, VA.: IUCN/SSC Primate Specialist Group (PSG), International Primatological Society (IPS), and Conservation International (CI). pp. 1–92. ISBN978-1-934151-34-1. Archived from the original(PDF) on 2011-07-23.