Kenapa keturunan O.T. Situmorang disebut Sipitu Ama
By: oleh Pdt. Dr. ROB Siringoringo, S.H., S.Th., M.A.
Edition: Edisi baru.
Publisher: Mitra
Published: 2012
Place of publication: Medan
Language: ind
Number of pages: 50
ISBN-13: 9786022450207
Notes: Folktales.

In Indonesian.