Boyd, Danah M., and Nicole B. Ellison. "Social Network Sites: Definition, History, and Scholarship." Journal of computer-mediated communication 13, no. 1 (2007): 210-230.

Boyd, Danah M., and Nicole B. Ellison. "Social Network Sites: Definition, History, and Schol-arship." Journal of Computer-Mediated Communication 13, no. 1 (2007): 210-230.