Adair Pimentel Palácio. 1986. Aspects of the Morphology of Guató. In Language in a Global Perspective: Papers in Honor of the 50th Anniversary of the Summer Institute of Linguistics 1935-1985, edited by Benjamin F. Elson. 363-372. Dallas, Texas: Summer Institute of Linguistics.
Piedrahíta, Uribe. 1996. "Cocama." In Lenguas de la Amazonía Colombiana, edited by Jon Landaburu. 1: 201-205. Bogotá: Ediciones Uniandes-CCELA-Colciencias.
Peters, John F. 1998. "Life Among the Yanomami: the Story of Change Among the Xilixana On the Mucajai River in Brazil." Peterborough, Ontario: Broadview.
Pet, Willem J. A. Lokono Dian: the Arawak Language of Suriname: A Sketch of Its Grammatical Structure and Lexicon. PhD thesis, Cornell University, 1987.
Pessoa, Katia Nepomuceno. 2009. "Fonologia Da Língua Krenak: Um Estudo Preliminar." In Anais - VI Congresso Internacional da Abralin, edited by João Pessoa. 2: 2220-2227. Ideia.
Perret, Jacques. 1933. "Observations Et Documents Sur Les Indiens Emerillon De La Guyane Française." In Journal de la Société des Américanistes, XXV: 65-98.