Template:Boubli et al., 2008
- Boubli, J.P., da Silva, M.N.F., Amado, M.V., Hrbek, T., Pontual, F.B. & Farias, I.P. 2008. A Taxonomic Reassessment of Cacajao melanocephalus Humboldt (1811), with the Description of Two New Species. International Journal of Primatology 29(3): 723–741. DOI: 10.1007/s10764-008-9248-7