1. AccountAbility (2004) Strategic challenges for business—in the use of corporate responsibility codes, standards, and frameworks. Report prepared by AccountAbility for the WBCSD Accountability and Reporting Working Group Geneva, Switzerland
2. Barthel L, Wolf MA, Eyerer P (2005) Methodology of life cycle sustainability for sustainability assessments. Presentation on the 11th Annual International Sustainable Development Research Conference (AISDRC), 6th–8th of June 2005. Helsinki, Finland
3. Christensen F, Olsen S (2004) The potential role of life cycle assessment in regulation of chemicals in the European Union. Int J Life Cycle Assess 9(5):327–332
4. Copenhagen Centre (2006) Håndtering af sociale og miljømæssige krav i globale værdikæder—perspektiv for små og mellemstore virksomheder. The Copenhagen Centre for Corporate Responsibility. Copenhagen, Denmark
5. CS Monitor (2006) Christian Science Monitor. http://www.csmonitor.com/2006/1222/p01s03-wosc.html