Cita APA (7a ed.)

Trace, J. (1985). Style and strategy of the business letter. Prentice-Hall.

Cita Chicago Style (17a ed.)

Trace, Jacqueline. Style and Strategy of the Business Letter. Englewood Cliffs, N.J: Prentice-Hall, 1985.

Cita MLA (9a ed.)

Trace, Jacqueline. Style and Strategy of the Business Letter. Prentice-Hall, 1985.