@book { VirtuelleWeltenimLebensalltagvonJugendlichen, title = "Virtuelle Welten im Lebensalltag von Jugendlichen", author = "Jenny {Kuprin}", year = "2015", publisher = "BACHELOR + MASTER PUBLISHING", address = "Hamburg, Deutschland", url = "https://m.bachelor-master-publishing.de/document/298182" }