van Hagen 1914

van Hagen, Gunter Tronje. 1914. Lehrbuch der Bulu-Sprache. Berlin: Verlag von Gebr. Radetzki.

@book{van-Hagen-1914,
  address   = {Berlin},
  author    = {van Hagen, Gunter Tronje},
  publisher = {Verlag von Gebr. Radetzki},
  title     = {Lehrbuch der Bulu-Sprache},
  year      = {1914}
}