@book { DiscourseontheArtofNegotiation,
    title = "Discourse on the Art of Negotiation",
    subtitle = "Translated by Aleksandra Gruzinska and Murray D. Sirkis",
    author = " {Anonym}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1098634"
}