Cuarón, A.D., Morales, A., Shedden, A., Rodriguez-Luna, E. & de Grammont, P.C. Ateles geoffroyi // IUCNRed List of Threatened Species. Version 2011.2. International Union for Conservation of Nature, 2008. Посетен на 19 януари 2012. (на английски) Database entry includes justification for why this species is endangered
