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: 馬通 (Ma Tong) (1983). Zhongguo Yisilan jiaopai yu menhuan zhidu shilue 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] (in Chinese). Yinchuan: 宁夏人民出版社 (Ningxia Renmin Chubanshe).