Welmers, William Everett. 1968. Efik. (Institute of African Studies, Occasional Publication, 11.) Ibadan, Nigeria: University of Ibadan.
@book{Welmers-1968a,
address = {Ibadan, Nigeria},
author = {Welmers, William Everett},
publisher = {University of Ibadan},
series = {Institute of African Studies, Occasional Publication},
title = {Efik},
volume = {11},
year = {1968},
iso_code = {efi},
olac_field = {syntax; general_linguistics; typology},
wals_code = {efi}
}