Ober, S. (2007). Fundamentals of Contemporary Business Communication (2nd.). Houghton Mifflin Company.
Cita Chicago (17th ed.)Ober, Scot. Fundamentals of Contemporary Business Communication. 2nd. Boston: Houghton Mifflin Company, 2007.
Cita MLA (9th ed.)Ober, Scot. Fundamentals of Contemporary Business Communication. 2nd. Houghton Mifflin Company, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.