References
- Bibliography
- Ball, Phill (2003). Morbo: The Story of Spanish Football. WSC Books Limited. ISBN 0-9540134-6-8.
- Chadwick, Simon; Arthur, Dave (2007). International cases in the business of sport. Butterworth-Heinemann. ISBN 0-7506-8543-3.
- Fisk, Peter (2008). Business Genius: A More Inspired Approach to Business Growth. John Wiley and Sons. ISBN 1-84112-790-6.
- Spaaij, Ramón (2006). Understanding football hooliganism: a comparison of six Western European football clubs. Amsterdam University Press. ISBN 90-5629-445-8.
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