Nagano, Yasuhiko. 1984. A Historical Study of the rGyarong Verb System. Tokyo: Seishido.
@book{jacquesestimative-nagano84,
author = {Nagano, Yasuhiko},
publisher = {Tokyo: Seishido.},
title = {A Historical Study of the rGyarong Verb System},
year = {1984}
}