Muthal, M. &. O. Business COmmunication - 2009.
Cita Chicago (17th ed.)Muthal, Mamta & Others. Business COmmunication - 2009.
Cita MLA (9th ed.)Muthal, Mamta & Others. Business COmmunication - 2009.
Atenció: Aquestes cites poden no estar 100% correctes.