Boubli, J. P.; M. N. F. Da Silva; M. V. Amado; T. Hrbek; F. B. Pontual & I. P. Farias (2008). "A taxonomic reassessment of black uakari monkeys, Cacajao melanocephalus group, Humboldt (1811), with the description of two new species". International Journal of Primatology. 29 (3): 723–749. doi:10.1007/s10764-008-9248-7. S2CID26561719.
Boubli, J. P.; M. N. F. Da Silva; M. V. Amado; T. Hrbek; F. B. Pontual & I. P. Farias (2008). "A taxonomic reassessment of black uakari monkeys, Cacajao melanocephalus group, Humboldt (1811), with the description of two new species". International Journal of Primatology. 29 (3): 723–749. doi:10.1007/s10764-008-9248-7. S2CID26561719.
Boubli, J. P.; M. N. F. Da Silva; M. V. Amado; T. Hrbek; F. B. Pontual & I. P. Farias (2008). "A taxonomic reassessment of black uakari monkeys, Cacajao melanocephalus group, Humboldt (1811), with the description of two new species". International Journal of Primatology. 29 (3): 723–749. doi:10.1007/s10764-008-9248-7. S2CID26561719.
Boubli, J. P.; M. N. F. Da Silva; M. V. Amado; T. Hrbek; F. B. Pontual & I. P. Farias (2008). "A taxonomic reassessment of black uakari monkeys, Cacajao melanocephalus group, Humboldt (1811), with the description of two new species". International Journal of Primatology. 29 (3): 723–749. doi:10.1007/s10764-008-9248-7. S2CID26561719.