Duitsman et al. 1975

Duitsman, John, Jana Bertkau & James Laesch. 1975. A survey of Kru dialects. Studies in African Linguistics 6. 77-103.

@misc{4658,
  author = {Duitsman and John and Bertkau, Jana and Laesch, James},
  title  = {A survey of Kru dialects. Studies in African Linguistics 6. 77-103.},
  year   = {1975}
}