Ryavec, Karl E. Important New Sources for the Study of Tibetan Geography: An Analysis of a Recent Chinese County Place Name Index of Dzamthang in Eastern Tibet (англ.) // Central Asiatic Journal[англ.] : journal. — 1994. — Vol. 38, no. 2. — P. 222. — JSTOR41927981.
Ryavec, Karl E. Important New Sources for the Study of Tibetan Geography: An Analysis of a Recent Chinese County Place Name Index of Dzamthang in Eastern Tibet (англ.) // Central Asiatic Journal[англ.] : journal. — 1994. — Vol. 38, no. 2. — P. 222. — JSTOR41927981.