Bett, R., Okeyo, M., Malmfors, B., Johansson, K., Agaba, M., Kugonza, D., Bhuiyan, A. K. F. H., Filho, A., Mariante, A., Mujibi, F., & Philipsson, J. (2013). Cattle Breeds: Extinction or Quasi-Extant? . Resources, 2(3), 335–357. https://doi.org/10.3390/resources2030335
Domingues, O. (2016). O GADO NATIVO DO BRASIL: AS SUPOSTAS RAÇAS BOVINAS. REVISTA DE AGRICULTURA, 43(2), 71–78. https://doi.org/10.37856/bja.v43i2.1951 (in Portuguese)
Porter, V., & Mason, I. L. (2002). Mason’s World Dictionary of Livestock Breeds, Types and Varieties (5th ed.). Wallingford, Oxfordshire, UK: CABI Publishing.
Porter, V., Alderson, L., Hall, S. J. G., & Sponenberg, D. P. (2016). Mason’s World Encyclopedia of Livestock Breeds and Breeding: 2 Volume Pack (1st ed.). Wallingford, Oxfordshire, UK: CABI.