Bergman et al. 1969

Bergman, R. and Gray, I. and Gray, C. 1969. Collected Field Reports on the Phonology of Tampulma. Legon: Institute of African Studies, University of Ghana.

@book{bergman_etal1969,
  address   = {Legon},
  author    = {Bergman, R. and Gray, I. and Gray, C.},
  publisher = {Institute of African Studies, University of Ghana},
  title     = {Collected Field Reports on the Phonology of Tampulma},
  year      = {1969}
}