Swift et al. 1962

Swift, Lloyd B. and Ahaghotu, A. and Ugorji, E. 1962. Igbo Basic Course. Washington, D.C.: Foreign Service Institute, US Department of State.

@book{swift_etal1962,
  address   = {Washington, D.C.},
  author    = {Swift, Lloyd B. and Ahaghotu, A. and Ugorji, E.},
  publisher = {Foreign Service Institute, US Department of State},
  title     = {Igbo Basic Course},
  year      = {1962}
}