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}
}