@book { DeutscheWrterindenUSA,
    title = "Deutsche Wörter in den USA",
    author = "Susanne {Jahn}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836607438",
    url = "https://m.diplom.de/document/229059"
}