@book { HflichkeitskonventionenimWandel,
    title = "Höflichkeitskonventionen im Wandel",
    author = "Grit {Labocki}",
    year = "2010",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12007",
    url = "https://www.peterlang.com/document/1056330"
}