方孺康 & 孙辰. (2009). 钢铁产业与循环经济: Iron and steel industry & economy circulation. 中国轻工业出版社.
Lua i Stíl Chicago (17ú heag.)方孺康 agus 孙辰. 钢铁产业与循环经济: Iron and Steel Industry & Economy Circulation. 中国轻工业出版社, 2009.
Lua MLA (8ú heag.)方孺康 agus 孙辰. 钢铁产业与循环经济: Iron and Steel Industry & Economy Circulation. 中国轻工业出版社, 2009.
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