Sharma R C. (2006). Business Correspondence and Report Writing. TMH.
芝加哥风格引文Sharma R C. Business Correspondence and Report Writing. New Delhi: TMH, 2006.
MLA引文Sharma R C. Business Correspondence and Report Writing. TMH, 2006.
警告：这些引文格式不一定是100％准确.
APA引文