ИСТОЧНИК: “LL-MAP (Language and Location: A Map Accessibility Project)” . Anthony Aristar and Helen Aristar-Dry and Yichun Xie (2012)

ИСТОЧНИК: “Apolista (Lapachu) as a Maipuran Arawakan language.” (239-250) . Payne, David L. (2005)

ИСТОЧНИК: “The classification of South American indigenous languages” (59-166) . Lyle Campbell (2012) , Lyle Campbell and Verónica Grondona · Mouton de Gruyter

ИСТОЧНИК: “South America” (103-196) . Mily Crevels (2007) , C. Moseley · London & New York: Routledge