Persson, Andrew and Persson, Janet. 1980. Collected Field Reports on Aspects of Ligbi Grammar. (Collected Languages Notes, 16.) Accra, Ghana: Accra Institute of African Studies, University of Ghana.
@book{sinnemakizeromarking-Persson1980, address = {Accra, Ghana}, author = {Persson, Andrew and Persson, Janet}, publisher = {Accra Institute of African Studies, University of Ghana}, series = {Collected Languages Notes}, title = {Collected Field Reports on Aspects of Ligbi Grammar}, volume = {16}, year = {1980} }