MASON PAUL. (2019). WORLD IN PERIL FORESTS UNDER THREAT (2009 Ed.). HEINEMANN LIBRARY.
芝加哥风格引文MASON PAUL. WORLD IN PERIL FORESTS UNDER THREAT. 2009 Ed. MINNESOTA: HEINEMANN LIBRARY, 2019.
MLA引文MASON PAUL. WORLD IN PERIL FORESTS UNDER THREAT. 2009 Ed. HEINEMANN LIBRARY, 2019.
警告：这些引文格式不一定是100％准确.