@book { PublicSpeaking,
    title = "Public Speaking",
    subtitle = "A Concise Overview for the Twenty-first Century",
    author = "W.A. Kelly {Huff}",
    year = "2008",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1104591"
}