(2003). Priciples and types of public speaking. Boston: Allyn and Bacon.
Trích dẫn kiểu ChicagoPriciples and Types of Public Speaking. Boston: Allyn and Bacon, 2003.
MLA引文Priciples and Types of Public Speaking. Boston: Allyn and Bacon, 2003.
警告:這些引文格式不一定是100%准確.