@book { MotivationvonMitarbeiterneinesFranchiseUnternehmens,
    title = "Motivation von Mitarbeitern eines Franchise-Unternehmens",
    author = "Ina {Felgener}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832497033",
    url = "https://m.diplom.de/document/224779"
}