Lucas, S. E. (2007). The art of public speaking. McGraw-Hill Irwin.
Trích dẫn kiểu ChicagoLucas, Stephen E. The Art of Public Speaking. McGraw-Hill Irwin, 2007.
MLA引文Lucas, Stephen E. The Art of Public Speaking. McGraw-Hill Irwin, 2007.
警告：這些引文格式不一定是100％准確.