Obolensky et al. 1963

Obolensky, S. and Panah, K. Y. and Nouri, F. K. 1963. Persian Basic Course. Washington D. C.: Center for Applied Linguistics.

@book{Obolensky-et-al-1963,
  address    = {Washington D. C.},
  author     = {Obolensky, S. and Panah, K. Y. and Nouri, F. K},
  publisher  = {Center for Applied Linguistics},
  title      = {Persian Basic Course},
  year       = {1963},
  iso_code   = {pes},
  olac_field = {typology; phonetics; general_linguistics; phonology},
  wals_code  = {prs}
}