Dempwolff n.d.

Dempwolff, Otto. n.d. A Grammar of the Graged Language. Narer, Karkar Island: Lutheran Mission. 109pp.

@book{sDempwolffGraged,
  address   = {Narer, Karkar Island},
  author    = {Dempwolff, Otto},
  pages     = {109},
  publisher = {Lutheran Mission},
  title     = {A Grammar of the Graged Language},
  year      = {n.d.}
}