http://www.sciencedaily.com/releases/2011/10/111020025650.htm Number of Facebook Friends Linked to Size of Brain Regions, Study Suggests

www.csulb.edu/colleges/cba/honors/thesis/…/JessicaPughThesis.pdf

http://www.liebertonline.com/doi/abs/10.1089/cyber.2010.0061 Cyberpsychology, Behavior, and Social Networking The Relationship Between Facebook and the Well-Being of Undergraduate College Students

http://www.liebertonline.com/doi/abs/10.1089/cyber.2010.0061 try this link from school

http://www.ncbi.nlm.nih.gov/pubmed/21117983 The Facebook Paths to Happiness: Effects of the Number of Facebook Friends and Self-Presentation on Subjective Well-Being

APA STYLE: http://psychology.vanguard.edu/faculty/douglas-degelman/apa-style/

http://www.sal.tohoku.ac.jp/ling/corpus3/3qual.htm

http://hsc.uwe.ac.uk/dataanalysis/quantInfAssPear.asp

http://www.wwnorton.com/college/psych/psychsci/media/rosenberg.htm