Atkinson, Robert D.; Castro, Daniel. Digital Quality of Life(PDF). The Information Technology and Innovation Foundation. 2008: 137–145 [2012-09-19]. (原始内容存档(PDF)于2012-03-06).
Atkinson, Robert D.; Castro, Daniel. Digital Quality of Life(PDF). The Information Technology and Innovation Foundation. 2008: 137–145 [2012-09-19]. (原始内容存档(PDF)于2012-03-06).