Biton, Alexandre. 1969. Dictionnaire ndumu-mbede-francais et francais-ndumu-mbede. Petite flore de la region de Franceville (Gabon). Grammaire ndumu-mbede. Libreville: l'Archeveche.
@book{Biton-1969,
address = {Libreville},
author = {Biton, Alexandre},
publisher = {l'Archeveche},
title = {Dictionnaire ndumu-mbede-francais et francais-ndumu-mbede. Petite flore de la region de Franceville (Gabon). Grammaire ndumu-mbede},
year = {1969},
iso_code = {nmd},
olac_field = {general_linguistics; typology; semantics; syntax},
wals_code = {ndu}
}