RAI, U. (2007). BUSINESS COMMUNICATION (9 ed.).
Cita Chicago (17th ed.)RAI, URMILA. BUSINESS COMMUNICATION. 9 ed. MUMBAI, 2007.
Cita MLA (9th ed.)RAI, URMILA. BUSINESS COMMUNICATION. 9 ed. 2007.
Atenció: Aquestes cites poden no estar 100% correctes.