Gupta, S. (2011). Elements of business communication. Anmol Publication.
芝加哥风格引文Gupta, Sudhir. Elements of Business Communication. New Delhi: Anmol Publication, 2011.
MLA引文Gupta, Sudhir. Elements of Business Communication. Anmol Publication, 2011.
警告：这些引文格式不一定是100％准确.