@book { LanguagePluralisminBotswanaHopeorHurdle,
    title = "Language Pluralism in Botswana – Hope or Hurdle?",
    subtitle = "A sociolinguistic survey on language use and language attitudes in Botswana with special reference to the status and use of English",
    author = "Birgit {Smieja}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094393"
}