APA引文

Gartside , L. (1992). Model business letters (ELBS) (4th.). Pitman.

芝加哥风格引文

Gartside , L. Model Business Letters (ELBS). 4th. London: Pitman, 1992.

MLA引文

Gartside , L. Model Business Letters (ELBS). 4th. Pitman, 1992.

警告：这些引文格式不一定是100％准确.