@book { MehrmarkenhandelinderAutomobilbranche,
    title = "Mehrmarkenhandel in der Automobilbranche",
    subtitle = "Eine Betrachtung aus Kundensicht",
    author = "Hendrik {Muth}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1105145"
}