Sibeth, A. 1991. Living with Ancestors: The Batak Peoples of the Island of Sumatra. London, U.K: Thames and Hudson.
@book{sibeth1991, address = {London, U.K}, author = {Sibeth, A.}, publisher = {Thames and Hudson.}, title = {Living with Ancestors: The Batak Peoples of the Island of Sumatra}, year = {1991} }