Cunningham, C. E. 1958. The Postwar Migration of the Toba-Bataks of East Sumatra. (Southeast Asia Studies, Cultural Report Series.) New Haven, CT: Yale University.
@book{cunningham1958, address = {New Haven, CT}, author = {Cunningham, C. E.}, publisher = {Yale University}, series = {Southeast Asia Studies, Cultural Report Series}, title = {The Postwar Migration of the Toba-Bataks of East Sumatra}, year = {1958} }