Helenbrook, William. D.; Wilkinson, Madison L.; Suarez, Jessica A. (2020년 3월). “Habitat use, fruit consumption, and population density of the black-headed night monkey, Aotus nigriceps, in southeastern Peru”. 《Acta Amazonica》 50 (1): 37–43. doi:10.1590/1809-4392201900172. ISSN1809-4392.
Helenbrook, William. D.; Wilkinson, Madison L.; Suarez, Jessica A. (2020년 3월). “Habitat use, fruit consumption, and population density of the black-headed night monkey, Aotus nigriceps, in southeastern Peru”. 《Acta Amazonica》 50 (1): 37–43. doi:10.1590/1809-4392201900172. ISSN1809-4392.