Ruhut-ruhut adat tona si ingoton
By: G.M.P. Simangunsong
Edition: Cet. 1.
Publisher: Gematama
Published: 2005
Place of publication: Pekayon, Jakarta
Language: btk
Number of pages: 244
Description: On manners, customs, and ceremonies of Batak people.
Notes: Includes bibliographical references (p. 214-216).

In Batak, and some articles in Indonesian.