^Lama, Ziwo Qiu-Fuyuan. Subgrouping of Nisoic (Yi) Languages: A Study from the Perspectives of Shared Innovation and Phylogenetic Estimation (Ph.D.论文). University of Texas at Arlington: 145. 2012. hdl:10106/11161可免费查阅.
^China. Asia Harvest. [2013-07-19]. (原始内容存档于2013-08-01).