Jaschke, H. A.
A Tibetan-English dictionary with special reference to the prevailing dialects
Trubner and Co. Ludgate Hill, 1882
 Buku Referensi
Jaschke, H. A.
A Tibetan-English dictionary
Curzon Press, 1998
 Buku Referensi
Markus, John, 1911-
Special circuits ready-reference
McGraw-Hill, 1982
 Buku Teks SO
Malmstrom, Jean
Dialects USA
National Council of Teachers of English, 1963
 Buku Teks SO
Malmstrom, Jean
Dialects USA
National Council of Teachers of English , 1963
 Buku Teks SO