@book { StrategischesManagementfreineDruckerei,
    title = "Strategisches Management für eine Druckerei",
    author = "Yvonne {Allinger}",
    year = "2019",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/511944"
}