Reference: Sagart and others 1989

Sagart, Laurent & others. 1989. Glottalised Tones in China and South-East Asia. In Prosodic analysis and Asian linguistics: to honour RK Sprigg. Pacific Linguistics.

@incollection{sagart1989glottalised,
  author    = {Sagart, Laurent and others},
  booktitle = {Prosodic analysis and Asian linguistics: to honour RK Sprigg},
  publisher = {Pacific Linguistics},
  title     = {Glottalised Tones in China and South-East Asia},
  year      = {1989}
}