1. Bensen Group, 2004. Which MVNEs will be the most successful? Bensen Marketing Group White Paper, May 2004.
2. Communications Today, 2002. Singapore Does not Work For Virgin Mobile, Brief Article Communications Today, July 11, 2002.
3. Two systems of belief about monopoly;Demsetz,1974
4. EU Access Directive 2002/19/Ec of the European Parliament and of the Council of 7 March 2002 on access to, and interconnection of, electronic communications networks and associated facilities (Access Directive), Official Journal of the European Communities. Available from: http://europa.eu.int/eur-lex/pri/en/oj/dat/2002/l_108/l_10820020424en00070020.pdf.
5. Competition in the US Energy Industry: A Report to the Energy Policy Project of the Ford Foundation;Duchesneau,1975