@book { UnterschiedezwischennationalemundinternationalemMarketing,
    title = "Unterschiede zwischen nationalem und internationalem Marketing",
    author = "Lars {Wächter}",
    year = "2002",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638112765",
    url = "https://www.hausarbeiten.de/document/2073"
}