Retsema et al. 2009

Retsema and T. and Potter, M. and and Gray, R. 2009. Mungkip: An Endangered Language. SIL Electronic Survey Report 2009-015, November 2009.

@misc{6411,
  author = {Retsema and T. and Potter, M. and  and Gray, R.},
  title  = {Mungkip: An Endangered Language. SIL Electronic Survey Report 2009-015, November 2009.},
  year   = {2009}
}