@book { ProjektmanagementinMultimediaAgenturen,
    title = "Projektmanagement in Multimedia-Agenturen",
    subtitle = "Ein Leitfaden",
    author = "Frank {Miller}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832458188",
    url = "https://m.diplom.de/document/221286"
}