1. Alessandra Sgobbi, Anil Markandya, Alessandra Goria, Carlo Giupponi: Study on Payment for Ecological and Environmental Services in China: A Pilot Study on Payment for Ecological and Environmental Services in Lashihai Nature Reserve, China, (Feem Servizi, Milan 2007).
2. Alexander S.P. Pfaff, G. Arturo Sanchez-Azofeifa: Resource and Energy Economics Vol. 26 (2004), pp.237-254.
3. Bentai Wan etc: To practice of ecological compensation (China environmental science press, Beijing 2008). (in Chinese).
4. Changjiang Water Resources Protection Institute: Report on the Environmental Impacts of Middle Route of South-to-North Water Transfer Project (Wuhan, China 2005). (in Chinese).
5. Chinese National Committee on Irrigation and Drainage: Country Policy Support Programme-Chinese National Consultation (Beijing, China 2004).