@book { DerEinsatzvonCelebrityEndorsementbeiinnovativenKonsumgtern,
    title = "Der Einsatz von Celebrity Endorsement bei innovativen Konsumgütern",
    author = "Claudia {Michelbach}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/297119"
}