1. Air Berlin Company Profile – the History, Air Berlin;Air Berlin,2007
2. Air Berlin Company Profile – the Fleet, Air Berlin;Air Berlin,2007
3. Air Berlin Company Profile – the Benefits, Air Berlin;Air Berlin,2007
4. Assessment of new hub-and-spoke and point-to-point airline network configurations;Alderighi;Transport Reviews,2007
5. Alitalia, 2007. Linee Guida del Piano Industriale 2008–2010. Summarised in the press release of 30/08/2007, Alitalia, Rome.