Παραπομπή σε μορφή APA (7η εκδ.)

Ober, S. (2009). Contemporary business communication (7th ed., instuctor's annotated ed.). Houghton Mifflin Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ober, Scot. Contemporary Business Communication. 7th ed., instuctor's annotated ed. Boston New York: Houghton Mifflin Company, 2009.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ober, Scot. Contemporary Business Communication. 7th ed., instuctor's annotated ed. Houghton Mifflin Company, 2009.