@inbook{Hanna-and-Hanna-1991,
  address    = {Ujung Pandang},
  author     = {Hanna, R. and Hanna, L.},
  publisher  = {Summer Institute of Linguistics},
  series     = {Workpapers in Indonesian Languages and Culture},
  title      = {Phonology of Napu},
  volume     = {12},
  year       = {1991},
  iso_code   = {npy},
  olac_field = {phonology; typology; phonetics; general_linguistics},
  wals_code  = {npu}
}