REGIONAL, H. C. (1973). Traditional Buildings Of Indonesia Batak Toba. Building Research Institute.
Lua i Stíl Chicago (17ú heag.)REGIONAL, Houshing Centre. Traditional Buildings Of Indonesia Batak Toba. Building Research Institute, 1973.
Lua MLA (8ú heag.)REGIONAL, Houshing Centre. Traditional Buildings Of Indonesia Batak Toba. Building Research Institute, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.