Michael Dillon (1999). China's Muslim Hui community: migration, settlement and sects. Routledge. pp. 113–114. ISBN0-7007-1026-4. One of Dillon's main sources is:
Ma, Tong (馬通) (1983). 中国伊斯兰教派与门宦制度史略 [A sketch of the history of Chinese Islamic sects and the menhuan system]. Yinchuan: Ningxia People's Publishing House.