@book{Ngata-nd,
  address    = {Christchurch},
  author     = {Ngata, A.},
  publisher  = {Whitcombe and Tombs},
  title      = {Maori Grammar and Conversation},
  year       = {1964},
  iso_code   = {mri},
  olac_field = {phonology; general_linguistics; phonetics; typology},
  wals_code  = {mao}
}