猶加敦馬雅語Ethnologue report on Maya, Yucatán (页面存档备份,存于互联网档案馆) 猶加敦馬雅語 (页面存档备份,存于互联网档案馆) Bricker, Victoria. Dictionary Of The Maya Language: As Spoken in Hocabá Yucatan
半數致死量195–200. Gossel, T.A.; Bricker, J.D. Principles of Clinical Toxicology. 3rd. New York, NY: Raven Press, Ltd. 1994: 5. Hayes, W.J. Jr.; Laws, E.R. Jr.