Παραπομπή σε μορφή APA (7η εκδ.)

Ruggiero, V. R., & Vesper, J. F. (1993). Contemporary business communication: From thought to expression. Harper.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ruggiero, Vincent Ryan, και Joan Frantz Vesper. Contemporary Business Communication: From Thought to Expression. New York: Harper, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ruggiero, Vincent Ryan, και Joan Frantz Vesper. Contemporary Business Communication: From Thought to Expression. Harper, 1993.