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 (unpublished).
@unpublished{1632_mbah_pny, author = {Mbah, Njeck Mathus and Anderson, Stephen C.}, publisher = {Cameroon Association for Bible Translation and Literacy}, title = {The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