Reference: Connell et al. 2000

Connell, Bruce A, Richard J Hayward & John Abraha Ashkaba. 2000. Observations on Kunama tone. Studies in African Linguistics 29(1). 1–42.

@article{connell2000observations,
  author  = {Connell, Bruce A and Hayward, Richard J and Ashkaba, John Abraha},
  journal = {Studies in African Linguistics},
  number  = {1},
  pages   = {1–42},
  title   = {Observations on Kunama tone},
  volume  = {29},
  year    = {2000}
}