9Lucas, S. E. The Art of Public Speaking (10th ed.) [M].Beijing: Foreign Language Teaching and Research Press, 2010.
10LU Xing, " An Historical Overview of Public Speaking Traditions and practices in China and the West, " in Wang Lifei and Li Ping(eds.), English Public Speaking in Global Contest: Challenges and Innovations--Proceedings of the First National Symposium of Public Speaking(Beijing: Foreign Language Teaching and Research Press, 2009.