Trace, J. (1985). Style and strategy of the business letter. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTrace, Jacqueline. Style and Strategy of the Business Letter. Englewood Cliffs, N.J: Prentice-Hall, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTrace, Jacqueline. Style and Strategy of the Business Letter. Prentice-Hall, 1985.
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