Gillen, T. (1997). Positive influencing skill. Jaico.
Chicago Edition CitationGillen, Terry. Positive Influencing Skill. Bombay: Jaico, 1997.
MLA引文Gillen, Terry. Positive Influencing Skill. Jaico, 1997.
警告：這些引文格式不一定是100％准確.
APA引文