@book { ImagerepositionierungvonDestinationen,
    title = "Imagerepositionierung von Destinationen",
    subtitle = "Dargestellt am Beispiel Russland",
    author = "Alexandra {Zopf}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832467500",
    url = "https://m.diplom.de/document/222122"
}