@book { TheSociolinguisticsofLanguageEducationinInternationalContexts,
    title = "The Sociolinguistics of Language Education in International Contexts",
    author = "Edith {Esch} and Martin {Solly}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0398-4",
    url = "https://www.peterlang.com/document/1052685"
}