Simpson, Hazel J. & Christine DeVisser. 2013. Bamukumbit (Mankong) orthography guide. Yaounde: SIL.
@misc{856,
author = {Simpson, Hazel J. and DeVisser, Christine},
title = {Bamukumbit (Mankong) orthography guide. Yaounde: SIL.},
year = {2013}
}