Paul DiMaggio, Eszter Hargittai, W. Russell Neuman, and John P. Robinson, Social Implications of the Internet, Annual Review of Sociology, Vol. 27: 307–336 (Volume publication date August 2001), DOI:10.1146/annurev.soc.27.1.307[1]
ebayinc.com
"Who We Are – eBay Inc". Partnerships and Investments. eBay. Originaali arhiivikoopia seisuga 19. juuni 2011. Vaadatud 14. juunil 2011.
Paul DiMaggio, Eszter Hargittai, W. Russell Neuman, and John P. Robinson, Social Implications of the Internet, Annual Review of Sociology, Vol. 27: 307–336 (Volume publication date August 2001), DOI:10.1146/annurev.soc.27.1.307[1]