Ober, S. (2008). Contemporary business communication (Fifth edition.). Houghton Mifflin Co..
Cita Chicago (17th ed.)Ober, Scot. Contemporary Business Communication. Fifth edition. Boston, MA: Houghton Mifflin Co., 2008.
Cita MLA (8th ed.)Ober, Scot. Contemporary Business Communication. Fifth edition. Houghton Mifflin Co., 2008.
Atenció: Aquestes cites poden no estar 100% correctes.