Jenewari, Charles E. W. 1983. Defaka, Ijo's closest linguistic relative. Port Harcourt, Nigeria: University of Port Harcourt Press.
@book{jenewaridefaka1983, address = {Port Harcourt, Nigeria}, author = {Jenewari, Charles E. W}, publisher = {University of Port Harcourt Press}, title = {Defaka, Ijo's closest linguistic relative}, year = {1983} }