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