Heath, Jeffrey. 1999. A Grammar of Koyra Chiini: The Songhay of Timbuktu. (Mouton Grammar Library, 19.) Berlin: Mouton de Gruyter.
@book{sinnemakizeromarking-Heath1999a, address = {Berlin}, author = {Heath, Jeffrey}, publisher = {Mouton de Gruyter}, series = {Mouton Grammar Library}, title = {A Grammar of Koyra Chiini: The Songhay of Timbuktu}, volume = {19}, year = {1999} }