1. Guǎngzhōuhuà běnzìkǎo (广州话本字考) [A textual research of Cantonese vernacular words];Bai;Fāngyán (方言) [Dialects],1980
2. Aspects of the Linguistic History of South China;Ballard;Asian Perspectives,1981
3. Bauer, Robert S. (1996). The Fourth International Symposium on Language and Linguistics, Institute of Language and Culture for Rural Development, Mahidol University.
4. Baxter, William H., and Sagart, Laurent (2023, February 07). Baxter-Sagart Old Chinese Reconstruction, Version 1.1. Available online: http://ocbaxtersagart.lsait.lsa.umich.edu/BaxterSagartOCbyMandarinMC2014-09-20.pdf.
5. Baxter, William H., and Sagart, Laurent (2014b). Old Chinese: A New Reconstruction, Oxford University Press.