Coba jelasin Lihat pula dari Kerajaan Charklik dong

Bonavia, Judy (2004). The Silk Road: From Xi'an to Kashgar. Judy Bonavia, revised by Christoph Baumer. Odyssey Publications. Hong Kong. ISBN 962-217-741-7.

Leffman, David, Simon Lewis and Jeremy Atiyah. (2005). The Rough Guide to China. Fourth edition. Rough Guides, New York, London, Delhi. ISBN 978-1-84353-479-2.

Stein, M. Aurel (1932). On Ancient Central Asian Tracks: Brief Narrative of Three Expeditions in Innermost Asia and Northwestern China. Aurel Stein. Reprinted with Introduction by Jeannette Mirsky. Book Faith India, Delhi. 1999.