Santandrea, Stefano. 1976. The Kresh Group, Aja and Baka Languages (Sudan): a linguistic introduction. Napoli: Instituto Universitario Orientale.
@book{sinnemakizeromarking-Santandrea1976,
address = {Napoli},
author = {Santandrea, Stefano},
publisher = {Instituto Universitario Orientale},
title = {The Kresh Group, Aja and Baka Languages (Sudan): a linguistic introduction},
year = {1976}
}