The Toba Batak language: introduction grammar and sentence patterns,
compiled by P.B. Pedersen.
APA Citation
Pedersen, P., Marcks, O., Tobing, L. L. (1965). The Toba Batak language: introduction grammar and sentence patterns. [Djakarta?].
MLA Citation
Pedersen, Paul, 1936-, O Marcks, and L. L Tobing. The Toba Batak Language: Introduction Grammar And Sentence Patterns. [Djakarta?], 1965.
Warning: These citations may not always be complete (especially for serials).