1. Friedrich, W. (2006), Shopping Tourism Impulses for Growth of Tourism and Retail in Germany,www.isg-institut.de, URL:
www.sete.gr/files/Ebook/2006/Dest._Shopping_Werner_Friedrich.pdf
, Access Date: 19/01/09
2. GfK Gruppe (2008),Kaufkraft pro Einwohner in europäischen Ländern im Jahr 2008 in Euro,Statista Das Statistik Portal, URL:
www.statista.org
, Access Date: 19/01/09
3. Jobber, D. (2007),Principles and Practice of Marketing, New York: Mc Graw Hill Education
4. Plog, S.C. (2004),Leisure Travel A Marketing Handbook, New Jersey: Pearson Education, Inc., Prentice Hall
5. Solomon, M., Bamossy, G., Askegaard, S.& Hogg, M.K. (2006),Consumer Behaviour A European Perspective, Essex: Prentice Hall, Financial Times