APA引文

Monippally, M. (1997). The craft of business letter writing. TMH.

芝加哥风格引文

Monippally, Mathew. The Craft of Business Letter Writing. New delhi: TMH, 1997.

MLA引文

Monippally, Mathew. The Craft of Business Letter Writing. TMH, 1997.

警告：这些引文格式不一定是100％准确.