1. Bainbridge, J., 1998. 2010 Vision. Marketing. 04/06, pp. 18–19.
2. Beioley, S., 1990. Holiday cottages—market profile. BTA/ETB Research Services, London.
3. Electronic commerce—would, could and should you use current Internet payment mechanisms?;Buck;Internet Research,1996
4. Camps wake up to the 80s;Clark;Marketing,1984
5. Working hard and playing harder;Clemens;Marketing Week,1997