Παραπομπή σε μορφή APA (7η εκδ.)

Hemphill, P. D., & Hemphill, A. M. (1981). Business communications with writing improvement exercises (2nd ed.). Prentice-Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hemphill, Phyllis D., και Anita M. Hemphill. Business Communications with Writing Improvement Exercises. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1981.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hemphill, Phyllis D., και Anita M. Hemphill. Business Communications with Writing Improvement Exercises. 2nd ed. Prentice-Hall, 1981.