Wang, Feng. 2006. Baiyu zhong songqi cayin de laiyuan [the origin of the aspirated fricatives in Bai]. Mínzú yǔwén \zh{民族语文} 2. 19–23.
@article{jacquesestimative-wang06songqi,
author = {Wang, Feng},
journal = {Mínzú yǔwén \zh{民族语文}},
pages = {19–23},
title = {Baiyu zhong songqi cayin de laiyuan [the origin of the aspirated fricatives in Bai]},
volume = {2},
year = {2006}
}