APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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