Peter Wang and Elkins 2006

Peter Wang, Robert Hunt, Jeff McGriff and Elkins, Richard E. 2006. The Grammar of Matigsalug Manobo. Manila: SIL Philippines. (Online: \url{https://www.sil.org/resources/archives/53940}, accessed 23 December 2023).

@book{bonmannsymmetrical-wang2006matigsalug,
  address   = {Manila},
  author    = {Peter Wang, Robert Hunt, Jeff McGriff and Elkins, Richard E.},
  note      = {Online: \url{https://www.sil.org/resources/archives/53940}, accessed 23 December 2023},
  publisher = {SIL Philippines},
  title     = {The Grammar of Matigsalug Manobo},
  year      = {2006}
}