Willett, Thomas Leslie. 1991. A Reference Grammar of Southeastern Tepehuan. Dallas: Summer Institute of Linguistics and The University of Texas at Arlington.
@book{sinnemakizeromarking-Willett1991,
address = {Dallas},
author = {Willett, Thomas Leslie},
publisher = {Summer Institute of Linguistics and The University of Texas at Arlington},
title = {A Reference Grammar of Southeastern Tepehuan},
year = {1991}
}