DJVU PDF Xiaohang, Q. 2007, "Concurrent functions of Hawyiengz Zhuang classifiers", in The Mon-Khmer Studies Journal, vol. 37, pp. 165-178. cite.

DJVU PDF Qin Xiaohang. 1997, "Evolution of the initial consonant clusters “pl”, “kl”, “ml” in the Hongshuihe vernacular of Zhuang", in The Mon-Khmer Studies Journal, vol. 27, pp. 299-302. cite.