Trace, J. (1985). Style and strategy of the business letter. Prentice-Hall.
芝加哥风格引文Trace, Jacqueline. Style and Strategy of the Business Letter. Englewood Cliffs, N.J: Prentice-Hall, 1985.
MLA引文Trace, Jacqueline. Style and Strategy of the Business Letter. Prentice-Hall, 1985.
警告：这些引文格式不一定是100％准确.