1. Alexa. (2010). Alexa Top 500 Global Sites, http://www.alexa.com/topsites in 01.06.2010.
2. Berg, B.L. (2000). Quantitative Research Methods for The Social Sciences (4th ed.). Allyn and Bacon: USA.
3. Social network sites: Definition, History and Scholarship;Boyd;Journal of Computer -Mediated Communication,2007
4. Binark, M. (2009). Toplumsal Paylaşım Ağlarının Arayüzlerinde Bireyin Varoluşu:Nasıl ve Niçin? International Conference on New Media and Interactivity. 28-30 April, Istanbul.
5. Comscore. (2009). 93 Percent of Internet Users in Turkey Visited Google Sites in September 2009 - comScore, Inc, accessed from the website: http://www.comscore.com/Press_Events/Press_Releases/2009/11/93_Percent_of_Internet_Users_in_Turkey_Visited_Google_Sites _in_September_2009 in 01.06.2010.