Reference: Osborn 1966

Osborn Jr, Henry A. 1966. Warao I: phonology and morphophonemics. International Journal of American Linguistics 32(2). 108–123. Indiana University.

@article{osborn1966warao,
  author    = {Osborn Jr, Henry A},
  journal   = {International Journal of American Linguistics},
  number    = {2},
  pages     = {108–123},
  publisher = {Indiana University},
  title     = {Warao I: phonology and morphophonemics},
  volume    = {32},
  year      = {1966}
}