Gronbeck, B. E. (1994). Principles and types of speech communication (12th ed.). HarperCollins College Publishers.
芝加哥风格引文Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. New York: HarperCollins College Publishers, 1994.
MLA引文Gronbeck, Bruce E. Principles and Types of Speech Communication. 12th ed. HarperCollins College Publishers, 1994.
警告：这些引文格式不一定是100％准确.