Murphy, H. A. &. o. (2008). Effective Business Communication - 7th Ed. 2008 (7th.). McGraw Hill.
Cita Chicago (17th ed.)Murphy, Herta A. & others. Effective Business Communication - 7th Ed. 2008. 7th. New Delhi: McGraw Hill, 2008.
Cita MLA (9th ed.)Murphy, Herta A. & others. Effective Business Communication - 7th Ed. 2008. 7th. McGraw Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.