Ray, Sidney H. 1913. The languages of Borneo. The Sarawak Museum Journal 1.4. 1-196.
@article{ray1913, author = {Ray, Sidney H.}, journal = {The Sarawak Museum Journal}, key = {Ray 1913}, pages = {1-196}, title = {The languages of Borneo}, volume = {1.4}, year = {1913} }