Cedar, P. A. (1980). 7 keys to maximum communication. Tyndale.
Chicago Style (17th ed.) CitationCedar, Paula A. 7 Keys to Maximum Communication. Illinois: Tyndale, 1980.
MLA引文Cedar, Paula A. 7 Keys to Maximum Communication. Tyndale, 1980.
警告:這些引文格式不一定是100%准確.