Santandrea, Stefano. 1961. Comparative Outline Grammar of Ndogo-Sere-Tagbu-Bai-Bviri. Bologna: Editrice Nigrizia.
@book{sinnemakizeromarking-Santandrea1961, address = {Bologna}, author = {Santandrea, Stefano}, publisher = {Editrice Nigrizia}, title = {Comparative Outline Grammar of Ndogo-Sere-Tagbu-Bai-Bviri}, year = {1961} }