Ferguson, C. A. and Chowdhury, M. 1960. The Phonemes of Bengali. Language 36. 22–59.
@article{fergusonchowdhury1960, author = {Ferguson, C. A. and Chowdhury, M.}, journal = {Language}, pages = {22–59}, title = {The Phonemes of Bengali}, volume = {36}, year = {1960} }