@book { DieRolledesMobileMarketingindermodernenMarketingkommunikation,
    title = "Die Rolle des Mobile Marketing in der modernen Marketingkommunikation",
    author = "Stefan {Schneider}",
    year = "2014",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/285396"
}