@book { ProduktStrategienimInternationalenMarketingMix,
    title = "Produkt-Strategien im Internationalen Marketing-Mix",
    author = "Anastasia {Kirchner}",
    year = "2017",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/370989"
}