Cita APA (7th ed.)

Ober, S. (1998). Contemporary business communication (3rd ed.). Houghton Mifflin Co.

Cita Chicago (17th ed.)

Ober, Scot. Contemporary Business Communication. 3rd ed. Boston: Houghton Mifflin Co, 1998.

Cita MLA (9th ed.)

Ober, Scot. Contemporary Business Communication. 3rd ed. Houghton Mifflin Co, 1998.