@book { QualittssicherungimJournalismus,
    title = "Qualitätssicherung im Journalismus",
    author = "Stephanie {Schwiering}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832449742",
    url = "https://m.diplom.de/document/220539"
}