Bradley, Virginia. 1981. Expression of locations in the Yamba language (Mbem dialect).

Bradley Virginia. 1982. Serial verbs and clauses in Yamba. Yaounde: SIL.

Leroy, Jacqueline. 1983. Notes sur l'expression de la localisation en yamba. Special issue on locative constructions, in honour of the late Prof. Jan Voorhoeve. J. Leroy, J. Watters eds. JWAL 13(2).