John Seely Brown, Paul Duguid: The Social Life of Information 1.1.2000. Harvard Business Press. Viitattu 8.9.2016. (englanniksi)
jstor.org
Molly McLure Wasko, Samer Faraj: Why Should I Share? Examining Social Capital and Knowledge Contribution in Electronic Networks of Practice. MIS Quarterly, 1.1.2005, nro 1, s. 35–57. Artikkelin verkkoversio.