Bishop, J. (2008). Increasing Capital Revenue in Social Networking Communities: Building Social and Economic Relationships through Avatars and Characters. In: Romm-Livermore, C. (ed.) Social Networking Communities and eDating Services: Concepts and Implications. New York: IGI Global. Available onlineเก็บถาวร 2013-08-01 ที่ เวย์แบ็กแมชชีน
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Bishop, J. (2008). Increasing Capital Revenue in Social Networking Communities: Building Social and Economic Relationships through Avatars and Characters. In: Romm-Livermore, C. (ed.) Social Networking Communities and eDating Services: Concepts and Implications. New York: IGI Global. Available onlineเก็บถาวร 2013-08-01 ที่ เวย์แบ็กแมชชีน
