@book { EntlehnungoderCodeswitching,
    title = "Entlehnung oder Codeswitching?",
    author = "Sebastian {Knospe}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05070-7",
    url = "https://www.peterlang.com/document/1046145"
}