@book { WhatsontheAgenda,
    title = "What’s on the Agenda?",
    subtitle = "Topics in British Business Meetings",
    author = "Wiebke {Sponagel}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1091438"
}