Perrin and Hill 1969

Perrin, Mona and Hill, Margaret. 1969. Mambila (parler d'Atta): Description phonologique. Institute of Linguistics-West Africa. (unpublished).

@unpublished{1583_mambila_cam,
  author    = {Perrin, Mona and Hill, Margaret},
  publisher = {Institute of Linguistics-West Africa},
  title     = {Mambila (parler d'Atta): Description phonologique},
  year      = {1969}
}