Ehrlich, H. (1992). Writing effective speeches. Paragone.
芝加哥风格引文Ehrlich, Henry. Writing Effective Speeches. New york: Paragone, 1992.
MLA引文Ehrlich, Henry. Writing Effective Speeches. Paragone, 1992.
警告：这些引文格式不一定是100％准确.
APA引文