van Driem, George. 1992. The Grammar of Dzongkha. Thimphu: Royal Government of Bhutan.
@book{jacquesestimative-driem92dzongkha,
address = {Thimphu},
author = {van Driem, George},
publisher = {Royal Government of Bhutan},
title = {The Grammar of Dzongkha},
year = {1992}
}