VERGOUWEN, J. (1964). The Social Organisation And Customary Law Of The Toba-batak Of Northern Sumatra J.c. Vergouwen. The Hague.
Chicago-referens (17:e uppl.)VERGOUWEN, J.C. The Social Organisation And Customary Law Of The Toba-batak Of Northern Sumatra J.c. Vergouwen. The Hague, 1964.
MLA-referens (8:e uppl.)VERGOUWEN, J.C. The Social Organisation And Customary Law Of The Toba-batak Of Northern Sumatra J.c. Vergouwen. The Hague, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.