Citazione Stile APA (7a Edizione)

Ober, S. (2006). Contemporary business communication (6th ed., instructor's annotated ed.). Houghton Mifflin Co.

Citazione stile Chigago Style (17a edizione)

Ober, Scot. Contemporary Business Communication. 6th ed., instructor's annotated ed. Boston, MA: Houghton Mifflin Co, 2006.

Citatione MLA (9a ed.)

Ober, Scot. Contemporary Business Communication. 6th ed., instructor's annotated ed. Houghton Mifflin Co, 2006.