@book { VallahGurkensalat4UMe,
    title = "Vallah Gurkensalat 4U & Me!",
    subtitle = "Current Perspectives in the Study of Youth Language",
    author = "Norman {Jørgensen}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1135410"
}