Erwin, J. (1987). "New world monkeys of the genus Cacajao (Cebidae, Platyrrhini): A preliminary taxonomic review with the description of a new subspecies". American Journal of Primatology. 12 (1): 1–53. doi:10.1002/ajp.1350120102. PMID31973512. S2CID84174299.
Kinzey, W.G. (1992). "Dietary and dental adaptations in the Pitheciinae". American Journal of Physical Anthropology. 88 (4): 499–514. doi:10.1002/ajpa.1330880406. PMID1503121.
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Uhl, C. & Vieira, I. C. G. (1989). "Ecological impacts of selective logging in the Brazilian Amazon: a case study from the Paragominas region of the state of Para". Biotropica. 21 (2): 98–106. Bibcode:1989Biotr..21...98U. doi:10.2307/2388700. JSTOR2388700.
Uhl, C. & Vieira, I. C. G. (1989). "Ecological impacts of selective logging in the Brazilian Amazon: a case study from the Paragominas region of the state of Para". Biotropica. 21 (2): 98–106. Bibcode:1989Biotr..21...98U. doi:10.2307/2388700. JSTOR2388700.
Uhl, C. & Vieira, I. C. G. (1989). "Ecological impacts of selective logging in the Brazilian Amazon: a case study from the Paragominas region of the state of Para". Biotropica. 21 (2): 98–106. Bibcode:1989Biotr..21...98U. doi:10.2307/2388700. JSTOR2388700.
Erwin, J. (1987). "New world monkeys of the genus Cacajao (Cebidae, Platyrrhini): A preliminary taxonomic review with the description of a new subspecies". American Journal of Primatology. 12 (1): 1–53. doi:10.1002/ajp.1350120102. PMID31973512. S2CID84174299.
Kinzey, W.G. (1992). "Dietary and dental adaptations in the Pitheciinae". American Journal of Physical Anthropology. 88 (4): 499–514. doi:10.1002/ajpa.1330880406. PMID1503121.
Erwin, J. (1987). "New world monkeys of the genus Cacajao (Cebidae, Platyrrhini): A preliminary taxonomic review with the description of a new subspecies". American Journal of Primatology. 12 (1): 1–53. doi:10.1002/ajp.1350120102. PMID31973512. S2CID84174299.