Reference: Kirby and Brunelle 2017

Kirby, James & Marc Brunelle. 2017. Southeast Asian tone in areal perspective. The Cambridge handbook of areal linguistics. 703–731. Cambridge University Press Cambridge.

@article{kirby2017southeast,
  author    = {Kirby, James and Brunelle, Marc},
  journal   = {The Cambridge handbook of areal linguistics},
  pages     = {703–731},
  publisher = {Cambridge University Press Cambridge},
  title     = {Southeast Asian tone in areal perspective},
  year      = {2017}
}