Westernmann, Diedrich. 1974. A short grammar of the Shilluk language. Kraus Reprint: Nendeln.
@book{1359_shk,
author = {Westernmann, Diedrich},
publisher = {Kraus Reprint: Nendeln},
title = {A short grammar of the Shilluk language},
year = {1974}
}