International Development Research Centre (Canada), Economy and Environment Program for Southeast Asia, & Wu Jian. (2009). Cost effectiveness of policy options for sustainable wetland conservation: A case study of Qixinghe Wetland, China. Economy and Environment Program for Southeast Asia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Development Research Centre (Canada), Economy and Environment Program for Southeast Asia, و Wu Jian. Cost Effectiveness of Policy Options for Sustainable Wetland Conservation: A Case Study of Qixinghe Wetland, China. Singapore: Economy and Environment Program for Southeast Asia, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Development Research Centre (Canada), et al. Cost Effectiveness of Policy Options for Sustainable Wetland Conservation: A Case Study of Qixinghe Wetland, China. Economy and Environment Program for Southeast Asia, 2009.