van der Tuuk, H. N. 1971. A Grammar of Toba Batak. The Hague: Martinus Nijhoff. (Reprint of 1864).
@book{vandertuuk1971,
address = {The Hague},
author = {van der Tuuk, H. N.},
note = {Reprint of 1864},
publisher = {Martinus Nijhoff},
title = {A Grammar of Toba Batak},
year = {1971}
}