Burrow, Thomas and Bhattacharya, Sudhibhushan. 1970. The Pengo language: Grammar, texts, and vocabulary. Oxford: Clarendon Press.
@misc{7234, author = {Burrow, Thomas and Bhattacharya, Sudhibhushan}, title = {The Pengo language: Grammar, texts, and vocabulary. Oxford: Clarendon Press.}, year = {1970} }