@book { CrossmediaIntegrationvonOnlineundOfflineimDialogmarketing,
    title = "Crossmedia – Integration von Online und Offline im Dialogmarketing",
    subtitle = "Eine Untersuchung des Status Quo in der Praxis",
    author = "Lena {Wengerter}",
    year = "2015",
    publisher = "Diplom.de",
    address = "Hamburg, Germany",
    url = "https://m.diplom.de/document/295754"
}