Hart, G. (1997). 30 minutes - to succeed in business writing. Kogan Page.
芝加哥风格引文Hart, Graham. 30 Minutes - to Succeed in Business Writing. New Delhi: Kogan Page, 1997.
MLA引文Hart, Graham. 30 Minutes - to Succeed in Business Writing. Kogan Page, 1997.
警告：这些引文格式不一定是100％准确.