Heath, Jeffrey. 1999. A Grammar of Koyraboro (Koroboro) Senni: The Songhay of Gao, Mali. Köln: Rüdiger Köppe Verlag.
@book{sinnemakizeromarking-Heath1999b, address = {Köln}, author = {Heath, Jeffrey}, publisher = {Rüdiger Köppe Verlag}, title = {A Grammar of Koyraboro (Koroboro) Senni: The Songhay of Gao, Mali}, year = {1999} }