@book { SocialTVAktuelleSchriftenzumOnlineManagement,
    title = "Social TV. Aktuelle Schriften zum Online-Management",
    author = "Constanze {Sigler} and Constanze {Sigler}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656486862",
    url = "https://www.hausarbeiten.de/document/232173"
}