Mbah, Njeck Mathus and Anderson, Stephen C. 2005. The Pinyin orthography guide. Cameroon Association for Bible Translation and Literacy. (unpublished).
@unpublished{1632_mbah_pny,
author = {Mbah, Njeck Mathus and Anderson, Stephen C.},
publisher = {Cameroon Association for Bible Translation and Literacy},
title = {The Pinyin orthography guide},
year = {2005}
}