(en) Murray Wrobel, Elsevier's Dictionary of Mammals: in Latin, English, German, French and Italian, Amsterdam, Elsevier, , 857p. (ISBN978-0-444-51877-4, lire en ligne), entrée N°737.
(en) Hazel Byrne, Anthony B. Rylands, Jeferson C. Carneiro et Jessica W. Lynch Alfaro, «Phylogenetic relationships of the New World titi monkeys (Callicebus): first appraisal of taxonomy based on molecular evidence», Frontiers in Zoology, vol.13, (PMID26937245, PMCID4774130, DOI10.1186/s12983-016-0142-4, lire en ligne, consulté le )
(en) Hazel Byrne, Anthony B. Rylands, Jeferson C. Carneiro et Jessica W. Lynch Alfaro, «Phylogenetic relationships of the New World titi monkeys (Callicebus): first appraisal of taxonomy based on molecular evidence», Frontiers in Zoology, vol.13, (PMID26937245, PMCID4774130, DOI10.1186/s12983-016-0142-4, lire en ligne, consulté le )
(en) Hazel Byrne, Anthony B. Rylands, Jeferson C. Carneiro et Jessica W. Lynch Alfaro, «Phylogenetic relationships of the New World titi monkeys (Callicebus): first appraisal of taxonomy based on molecular evidence», Frontiers in Zoology, vol.13, (PMID26937245, PMCID4774130, DOI10.1186/s12983-016-0142-4, lire en ligne, consulté le )
(en) Marc G. M. van Roosmalen, Tomas van Roosmalen et Russell A. Mittermeier, «A taxonomic review of the titi monkeys, genus Callicebus Thomas, 1903, with the description of two new species, Callicebus bernhardi and Callicebus stephennashi, from Brazilian Amazonia», Neotropical Primates, vol.10, noSuppl, , p.1–52 (lire en ligne[PDF])