M. E. Sunquist, G. G. Montgomery: Activity Patterns and Rates of Movement of Two-Toed and Three-Toed Sloths (Choloepus hoffmanni and Bradypus infuscatus). Journal of Mammalogy, 1973, nro 4, s. 946–954. doi:10.2307/1379088. ISSN 0022-2372. Artikkelin verkkoversio.
Plese, T., Chiarello, A., Turcios Casco, M., Aguilar Borbón, A., Santos, P., Aliaga-Rossel, E. & Moraes-Barros, N: Choloepus hoffmanniIUCN Red List of Threatened Species. Version 2022-2. 2022. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 11.12.2022. (englanniksi)
jstor.org
M. E. Sunquist, G. G. Montgomery: Activity Patterns and Rates of Movement of Two-Toed and Three-Toed Sloths (Choloepus hoffmanni and Bradypus infuscatus). Journal of Mammalogy, 1973, nro 4, s. 946–954. doi:10.2307/1379088. ISSN 0022-2372. Artikkelin verkkoversio.
M. E. Sunquist, G. G. Montgomery: Activity Patterns and Rates of Movement of Two-Toed and Three-Toed Sloths (Choloepus hoffmanni and Bradypus infuscatus). Journal of Mammalogy, 1973, nro 4, s. 946–954. doi:10.2307/1379088. ISSN 0022-2372. Artikkelin verkkoversio.