@book { IdentittindenSozialenMediendesWeb20, title = "Identität in den Sozialen Medien des Web 2.0", author = "Daniel M. {Paul}", year = "2013", publisher = "GRIN Verlag", address = "München, Germany", doi = "10.3239/9783656417385", url = "https://www.hausarbeiten.de/document/213446" }