van den Berg and Busenitz 2012

van den Berg, René and Busenitz, Robert L. 2012. A grammar of Balantak, a language of Eastern Sulawesi. Dallas: SIL International. (Online: \url{https://www.sil.org/resources/publications/entry/49492}, accessed 23 December 2023).

@book{bonmannsymmetrical-van2012balantak,
  address   = {Dallas},
  author    = {van den Berg, René and Busenitz, Robert L.},
  note      = {Online: \url{https://www.sil.org/resources/publications/entry/49492}, accessed 23 December 2023},
  publisher = {SIL International},
  title     = {A grammar of Balantak, a language of Eastern Sulawesi},
  year      = {2012}
}