WELLS, Amy Tracy (2008), «A Portrait of Early Internet Adopters: Why People First Went Online --and Why They Stayed». Pew Internet & American Life Project, February

WELLS, Amy Tracy (2008), «A Portrait of Early Internet Adopters: Why People First Went Online --and Why They Stayed». Pew Internet & American Life Project, February

[http://pewresearch.org/pubs/739/early-internet-adopters]