Flik and Bolli 1980

Flik, E. and Bolli, Magrit. 1980. Yakouba. In Kropp Dakubu, M. E. (ed.), West African language data sheets, vol. 2. Leiden: West African Linguistic Society and African Studies Centre.

@misc{9957,
  author = {Flik, E. and Bolli, Magrit},
  title  = {Yakouba. In Kropp Dakubu, M. E. (ed.), West African language data sheets, vol. 2.  Leiden: West African Linguistic Society and African Studies Centre.},
  year   = {1980}
}