55: 573-590 (Volume publication date February 2004), [http://arjournals.annualreviews.org/doi/abs/10.1146/annurev.psych.55.090902.141922?journalCode=psych]* Allison Cavanagh, "Sociology in the Age of the Internet", McGraw-Hill International, 2007, ISBN 0-335-21725-7* Christine Hine, "Virtual Methods: Issues in Social Research on the Internet", Berg Publishers, 2005, ISBN 1-84520-085-3* Rob Kling, "The" Internet for Sociologists", Contemporary Sociology, Vol.
55: 573-590 (Volume publication date February 2004), [http://arjournals.annualreviews.org/doi/abs/10.1146/annurev.psych.55.090902.141922?journalCode=psych]* Allison Cavanagh, "Sociology in the Age of the Internet", McGraw-Hill International, 2007, ISBN 0-335-21725-7* Christine Hine, "Virtual Methods: Issues in Social Research on the Internet", Berg Publishers, 2005, ISBN 1-84520-085-3* Rob Kling, "The" Internet for Sociologists", Contemporary Sociology, Vol.