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

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

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