Percival, W. K. 1981. A Grammar of the Urbanised Toba-Batak of Medan. (Pacific Linguistics, Series B, 76.) Canberra: Australian National University.
@book{Percival-1981, address = {Canberra}, author = {Percival, W. K.}, publisher = {Australian National University}, series = {Pacific Linguistics, Series B}, title = {A Grammar of the Urbanised Toba-Batak of Medan}, volume = {76}, year = {1981}, iso_code = {bbc}, olac_field = {morphology; phonetics; syntax; general_linguistics; typology; phonology; semantics}, wals_code = {bto} }