Fast, Gerhard and Fast, Ruby. 1981. Introducción al idioma achuar. (Documento de Trabajo, 20.) Yarinacocha: Ministerio de Educación and Summer Institute of Linguistics.
@book{Fast-and-Fast-1981,
address = {Yarinacocha},
author = {Fast, Gerhard and Fast, Ruby},
publisher = {Ministerio de Educación and Summer Institute of Linguistics},
series = {Documento de Trabajo},
title = {Introducción al idioma achuar},
volume = {20},
year = {1981},
iso_code = {acu},
olac_field = {general_linguistics; syntax; semantics; morphology; typology},
wals_code = {acu}
}