@book { InstrumentefreinerfolgreichesMarketinginSocialNetworks,
    title = "Instrumente für ein erfolgreiches Marketing in Social Networks",
    author = "Kim Nadine {Adamek}",
    year = "2011",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640905898",
    url = "https://www.hausarbeiten.de/document/171270"
}