Sinaga, A.B. 1981. The Toba Batak High God: Transcendence and Immanence. St Augustin, West Germany: Anthropos Institute.
@book{singanga1981, address = {St Augustin, West Germany}, author = {Sinaga, A.B.}, publisher = {Anthropos Institute}, title = {The Toba Batak High God: Transcendence and Immanence}, year = {1981} }