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} }