RAI URMILA [A]. (2007). BUSINESS COMMUNICATION (9TH.). HIMALAYA PUBLISHING HOUSE.
Cita Chicago (17th ed.)RAI URMILA [A]. BUSINESS COMMUNICATION. 9TH. MUMBAI: HIMALAYA PUBLISHING HOUSE, 2007.
Cita MLA (9th ed.)RAI URMILA [A]. BUSINESS COMMUNICATION. 9TH. HIMALAYA PUBLISHING HOUSE, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.