Abessolo Eto, Roger. 1990. Esquisse phonologique du bongo. (MA thesis, Universite de Yaounde).
@mastersthesis{bot_abessolo1990,
author = {Abessolo Eto, Roger},
school = {Universite de Yaounde},
title = {Esquisse phonologique du bongo},
year = {1990}
}