@book{Elwell-Sutton-1941,
  address    = {London},
  author     = {Elwell-Sutton, L. P.},
  publisher  = {Routledge and Kegan Paul Limited.},
  title      = {Colloquial Persian},
  year       = {1941},
  iso_code   = {pes},
  olac_field = {phonetics; general_linguistics; syntax; phonology; typology; morphology},
  wals_code  = {prs}
}