Atoyebi, Joseph Dele. 2009. A reference grammar of Ọ̀kọ: a West Benue-Congo language of North-Central Nigeria. (Doctoral dissertation, Universität Leipzig; 444pp.)
@phdthesis{gAtoyebiOko2009, author = {Atoyebi, Joseph Dele}, pages = {444}, school = {Universität Leipzig}, title = {A reference grammar of Ọ̀kọ: a West Benue-Congo language of North-Central Nigeria}, year = {2009} }