Weber, David John. 1989. A grammar of Huallaga (Huánuco) Quechua. (UCPL 112.) Berkeley: University of California Press.
@book{nicholsdiversity-Weber1989,
address = {Berkeley},
author = {Weber, David John},
publisher = {University of California Press},
series = {UCPL 112},
title = {A grammar of Huallaga (Huánuco) Quechua},
year = {1989}
}