曲格平 & 闫敏. (2008). 循环经济 绿色之旗: Circular economy-a banner for green development. 外文出版社.
Chicago Style (17th ed.) Citation曲格平 and 闫敏. 循环经济 绿色之旗: Circular Economy-a Banner for Green Development. 外文出版社, 2008.
MLA (8th ed.) Citation曲格平 and 闫敏. 循环经济 绿色之旗: Circular Economy-a Banner for Green Development. 外文出版社, 2008.
Warning: These citations may not always be 100% accurate.