Williamson, K. 1970. Reading and Writing Ogbia. (Rivers Readers Project, Institute of African Studies, University of Ibadan).
@book{Williamson-1970,
author = {Williamson, K.},
note = {Rivers Readers Project, Institute of African Studies, University of Ibadan},
title = {Reading and Writing Ogbia},
year = {1970},
iso_code = {ogb},
olac_field = {typology; general_linguistics; phonetics; phonology},
wals_code = {ogb}
}