Mangulu, Motingea. 1996. Étude comparative des langues Ngiri de l'entre Ubangi-Zaïre. Leiden: Research School of Asian, African and Amerindian Studies, Universiteit Leiden. (Doctoral dissertation, Rijksuniversiteit te Leiden; 292pp.)
@phdthesis{hvManguluNgiri,
address = {Leiden},
author = {Mangulu, Motingea},
pages = {292},
publisher = {Leiden: Research School of Asian, African and Amerindian Studies, Universiteit Leiden},
school = {Rijksuniversiteit te Leiden},
title = {Étude comparative des langues Ngiri de l'entre Ubangi-Zaïre},
year = {1996}
}