Van der Tuuk, H. N. 1971. A Grammar of Toba Batak. The Hague: Nijhoff.
@book{handschuhnames-Tuuk1971,
address = {The Hague},
author = {Van der Tuuk, H. N.},
publisher = {Nijhoff},
title = {A Grammar of Toba Batak},
year = {1971}
}