1. Benford, R. D., & Snow, D. A. (2000). Framing processes and social movements: An overview and assessment. Annual Review of Sociology, 26, 611–639.
2. Busgen, M. (2006). NGOs and the research for Chinese civil society environmental non-governmental organisations in the Nujiang campaign. The Hague: Institute of Social Studies.
3. Calhoun, C., & Yang, G. (2008). Media, civil society, and the rise of a green public sphere. In P. Ho & R. L. Edmonds (Eds.), China’s embedded activism: Opportunities and constraints of a social movement. London: Routledge.
4. Chen, J. (2010). Transnational environmental movement: Impacts on the green civil society in China. Journal of Contemporary China, 19(65), 503–523.
5. China Internet Network Information Center. (2012). The 30th survey report. http://www1.cnnic.cn/IDR/ReportDownloads/201209/t20120928_36586.htm .