Viner, A. C. 1979. The Changing Batak. Journal of the Malaysian Branch of the Royal Asiatic Society 52. 84-112.
@article{viner1979, author = {Viner, A. C.}, journal = {Journal of the Malaysian Branch of the Royal Asiatic Society}, number = {2 (236)}, pages = {84-112}, title = {The Changing Batak}, volume = {52}, year = {1979} }