Ladefoged et al. 1976

Ladefoged, Peter and Williamson, Kay and Elugbe, Benjamin and Uwalaka, A. 1976. The Stops of Owerri Igbo. Studies in African Linguistics, Supp. 6. 147–163.

@article{ladefoged1976,
  address = {Los Angeles},
  author  = {Ladefoged, Peter and Williamson, Kay and Elugbe, Benjamin and Uwalaka, A.},
  journal = {Studies in African Linguistics, Supp.},
  pages   = {147–163},
  title   = {The Stops of Owerri Igbo},
  volume  = {6},
  year    = {1976}
}