@book { EinflussvonPublicRelationsaufdenJournalismus,
    title = "Einfluss von Public Relations auf den Journalismus",
    author = "Oliver {Schmidt}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656350361",
    url = "https://www.hausarbeiten.de/document/207728"
}