@book { SocialMediaMarketingPotenzialeinderKundenkommunikation,
    title = "Social Media Marketing. Potenziale in der Kundenkommunikation",
    author = "Fabian {Tief}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656556244",
    url = "https://www.hausarbeiten.de/document/232029"
}