@book{Robertson-1969,
  address    = {Rutland, Vermont},
  author     = {Robertson, Richard G.},
  publisher  = {Charles E. Tuttle Company},
  title      = {Robertson's Practical English-Thai Dictionary},
  year       = {1969},
  iso_code   = {tha},
  olac_field = {syntax; typology; general_linguistics},
  wals_code  = {tha}
}