1. Bain & Co . (2005) The new rules of luxury. Financial Times, 18 May.
2. Buttle, F . (2003) Customer Relationship Management. New York: Butterworth-Heinemann.
3. Kumar, V. and Reinartz, W. (2005) Customer Relationship Management. London: Wiley.
4. Kapferer, J. N. and Bastien, V. (2009) The Luxury Strategy: Break the Rules of Marketing to Build Luxury Brands. London: Kogan-Page.
5. Kapferer, J. N. (2008) The New Strategic Brand Management. London: Kogan-Page.