ROWE, Noel; MARTINEZ, Wilberto. Callicebus sightings in Bolivia, Peru and Ecuador. Neotropical Primates, Arlington, VA, USA, v. 11, n. 1, p. 32–35, 2003. DOI: 10.62015/np.2003.v11.531. Disponível em: https://primate.socgen.ucla.edu/index.php/multivitaminic/article/view/531.. Acesso em: 6 feb. 2025.