DJVU PDF Guoyan, Z. 2007, "A comparative study of rice culture words in the Ge-Yang and Kam-Tai language", in SEALS XII Papers from the 12th Annual Meeting of the Southeast Asian Linguistics Society 2002, ed. R. Wayland et al., Canberra, Australia, pp. 153-156. Pacific Linguistics, Research School of Pacific and Asian Studies, The Australian National University. cite.

DJVU PDF Zhou Guoyan. 1998, "The origin and development of the "Disposal" form in Bouyei language", in The International Conference on Tai Studies, ed. S. Burusphat, Bangkok, Thailand, pp. 443-456. Institute of Language and Culture for Rural Development, Mahidol University. cite.

DJVU PDF Li Jingfang and Zhou Guoyan. 1998, "Diachronic evolution of initial consonants in Buyang", in The Mon-Khmer Studies Journal, vol. 28, pp. 115-135. cite.