Howard, C. (1979). Contact: A textbook in apllied communications (3rd.). Prentice Hall.
芝加哥风格引文Howard, C. Contact: A Textbook in Apllied Communications. 3rd. New Jersey: Prentice Hall, 1979.
MLA引文Howard, C. Contact: A Textbook in Apllied Communications. 3rd. Prentice Hall, 1979.
警告：这些引文格式不一定是100％准确.