Naden, Anthony Joshua. 1973. The Grammar and Semantics of Bisa. London: Summer Institute of Linguistics and School of Oriental and African Studies.
@book{naden1973b, address = {London}, author = {Naden, Anthony Joshua}, publisher = {Summer Institute of Linguistics and School of Oriental and African Studies}, title = {The Grammar and Semantics of Bisa}, year = {1973} }