@book{sDuBoisSaranganiManobo,
  author    = {DuBois, Carl D.},
  pages     = {169},
  publisher = {Manila: Philippine Journal of Linguistics},
  series    = {Special Monograph},
  title     = {Sarangani Manobo: An introductory guide},
  volume    = {6},
  year      = {1976}
}