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Nelson, John «The Virtual Property Problem: What Property Rights in Virtual Resources Might Look Like, How They Might Work, and Why They are a Bad Idea». McGeorge Law Review, 41, 2010, pàg. 281, 285–86. DOI: 10.2139/ssrn.1805853.Fairfield, Joshua «Virtual Property». Boston University Law Review, 85, 2005, pàg. 1047. Arxivat de l'original el 2011-08-12 [Consulta: 30 agost 2010].Arxivat 2011-08-12 a Wayback Machine.
Nelson, John «The Virtual Property Problem: What Property Rights in Virtual Resources Might Look Like, How They Might Work, and Why They are a Bad Idea». McGeorge Law Review, 41, 2010, pàg. 281, 285–86. DOI: 10.2139/ssrn.1805853.Fairfield, Joshua «Virtual Property». Boston University Law Review, 85, 2005, pàg. 1047. Arxivat de l'original el 2011-08-12 [Consulta: 30 agost 2010].Arxivat 2011-08-12 a Wayback Machine.
Camp, Bryan «The Play's the Thing: A Theory of Taxing Virtual Worlds». Hastings Law Journal, 59, 2007, pàg. 1. DOI: 10.2139/ssrn.980693.
Nelson, John «The Virtual Property Problem: What Property Rights in Virtual Resources Might Look Like, How They Might Work, and Why They are a Bad Idea». McGeorge Law Review, 41, 2010, pàg. 281, 285–86. DOI: 10.2139/ssrn.1805853.Fairfield, Joshua «Virtual Property». Boston University Law Review, 85, 2005, pàg. 1047. Arxivat de l'original el 2011-08-12 [Consulta: 30 agost 2010].Arxivat 2011-08-12 a Wayback Machine.