Pichl, Walter J. 1980. Non. In Kropp Dakubu, M. E. (ed.), West African language data sheets, vol. 2. Leiden: West African Linguistic Society and African Studies Centre.
@misc{6636, author = {Pichl, Walter J.}, title = {Non. In Kropp Dakubu, M. E. (ed.), West African language data sheets, vol. 2. Leiden: West African Linguistic Society and African Studies Centre.}, year = {1980} }