1. Arranda, J.T.: 2002, ‘Information Technology and Workers’ Privacy: The Spanish Law’, Comparative Labor Law and Policy Journal 23(4), 431-470.
2. Arrington, M.: 2009, ‘Facebook Now Nearly Twice the Size of MySpace Worldwide’, http://www.techcrunch.com/2009/01/22/facebook-now-nearly-twice-the-size-of-myspace-worldwide/ . Accessed 20 June 2009.
3. Bahls, J. E.: 1990, ‘Checking Up on Workers’, Nation’s Business 77(12), 29.
4. Bebo.com: 2009, ‘Bebo’, http://www.bebo.com/c/site/index . Accessed 4 June 2009.
5. Bellis, M.: 2009, ‘The History of Communication’, http://inventors.about.com/library/inventors/bl_history_of_communication.htm . Accessed 20 June 2009.