@book { FootballWorldCup2010inSouthAfrica,
    title = "Football World Cup 2010 in South Africa",
    subtitle = "A comparison between German football tourists' expectations and the planned tourism marketing activities of the venue Port Elizabeth",
    author = "Matthias {Moll}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836625517",
    url = "https://m.diplom.de/document/226518"
}