Ayala, Presbítero. 1993. Gramatica Guarani. (Reprint 1996 Buenos Aires: Ministerio de Educación).
@book{Ayala-1993, address = {Asunción, Paraguay}, author = {Ayala, Presbítero}, note = {Reprint 1996 Buenos Aires: Ministerio de Educación}, title = {Gramatica Guarani}, year = {1993}, iso_code = {gug}, olac_field = {phonetics; typology; phonology; general_linguistics}, wals_code = {gua} }