@book { HaroldPintersDramenimSpiegeldersoziologischenRollentheorie,
    title = "Harold Pinters Dramen im Spiegel der soziologischen Rollentheorie",
    author = " {Anonym}",
    year = "1978",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1070300"
}