Collette, B., Acero, A., Canales Ramirez, C., Cardenas, G., Carpenter, K.E., Di Natale, A., Guzman-Mora, A., Montano Cruz, R., Nelson, R., Schaefer, K., Serra, R. & Yanez, E.: Sarda chiliensisIUCN Red List of Threatened Species. Version 2014.3. 2011. International Union for Conservation of Nature, IUCN, Iucnredlist.org. Viitattu 10.1.2015. (englanniksi)
