@book { TheprocurementstrategiesfortheOlympicStadiumandtheAquaticCentrefortheLondon2012OlympicGames,
    title = "The procurement strategies for the Olympic Stadium and the Aquatic Centre for the London 2012 Olympic Games",
    author = "Dirk {von Plessen}",
    year = "2014",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/279290"
}