Ray, Sidney H. 1938. The Languages of the Eastern and South-Eastern Division of Papua. Journal of the Royal Anthropological Institute of Great Britain and Ireland 68. 153-208.
@misc{890, author = {Ray, Sidney H.}, title = {The Languages of the Eastern and South-Eastern Division of Papua. Journal of the Royal Anthropological Institute of Great Britain and Ireland 68. 153-208.}, year = {1938} }