• 

  Wayback Machine

  https://web.archive.org/web/20140823024042/http://www.somso.de/img/schaedel.pdf

  Keine Beschreibung vorhanden.

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  Wayback Machine

  http://wayback.archive.org/web/20140906004231/http://www.deloitte.com/assets/Dcom-UnitedKingdom/Local%20Assets/Documents/Industr

  Keine Beschreibung vorhanden.

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  Wayback Machine

  http://web.archive.org/web/20140824054903/http://www.deloitte.com/assets/Dcom-UnitedKingdom/Local%20Assets/Documents/Industries/Sports%20Business%20Group/UK_SBG_DFML2011.pdf

  Keine Beschreibung vorhanden.

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