Foster and Foster 1948

Foster, Mary L. and Foster, G. M. 1948. Sierra Popoluca Speech. Washington: United States Government Office.

@book{Foster-and-Foster-1948,
  address    = {Washington},
  author     = {Foster, Mary L. and Foster, G. M.},
  publisher  = {United States Government Office},
  title      = {Sierra Popoluca Speech},
  year       = {1948},
  iso_code   = {poi},
  olac_field = {syntax; general_linguistics; typology},
  wals_code  = {zqs}
}