@book { InfluencerMarketingMarketingEthikundRecht,
    title = "Influencer Marketing. Marketing, Ethik und Recht",
    author = "Remo {Meier}",
    year = "2019",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/468703"
}