@book { MarktsegmentierungiminternationalenKontext,
    title = "Marktsegmentierung im internationalen Kontext",
    author = "Sandra Nadin {Gebhard}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832485740",
    url = "https://m.diplom.de/document/223771"
}