7Daniel D Chiras. Environmental Science [M]. California: The Benjamin/Cummings Publishing Company. Inc. 1994.17~120.
8Xia Jun, Zuo Qiting, Pang Jinwu. Enlightenment on sustainable management of water resources from past practices in the Bositeng Lake basin, Xinjiang, China[C]. Regional Management of Water Resources. IAHS Publication. 2001. (268): 41 ~ 48.