陈宗兴 & 刘燕华. (2007). 循环经济的战略思考: Strategy of circular economy. 辽宁科学技术出版社.
Dyfyniad Arddull Chicago陈宗兴 and 刘燕华. 循环经济的战略思考: Strategy of Circular Economy. 辽宁科学技术出版社, 2007.
Dyfyniad MLA陈宗兴 and 刘燕华. 循环经济的战略思考: Strategy of Circular Economy. 辽宁科学技术出版社, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.