Cita APA (7a ed.)

Ober, S. (2003). Contemporary business communication (5th ed.). Houghton Mifflin Co..

Cita Chicago Style (17a ed.)

Ober, Scot. Contemporary Business Communication. 5th ed. Boston: Houghton Mifflin Co., 2003.

Cita MLA (8a ed.)

Ober, Scot. Contemporary Business Communication. 5th ed. Houghton Mifflin Co., 2003.