Percival 1964

Percival, W. Keith. 1964. A Grammar of Toba-Batak. (Doctoral dissertation, New Haven: Yale University; 220pp.)

@phdthesis{gPercivalTobaBatak1964,
  author = {Percival, W. Keith},
  pages  = {220},
  school = {New Haven: Yale University},
  title  = {A Grammar of Toba-Batak},
  year   = {1964}
}