^Sidwell, Paul. Classification of MSEA Austroasiatic languages. The Languages and Linguistics of Mainland Southeast Asia. De Gruyter. 2021. doi:10.1515/9783110558142-011.
Sidwell, Paul and Felix Rau (2015). "Austroasiatic Comparative-Historical Reconstruction: An Overview." In Jenny, Mathias and Paul Sidwell, eds (2015). The Handbook of Austroasiatic Languages. Leiden: Brill.