Rai, U. (2005). Business communication - F.Y.B.Com. Himalaya Publishing House.
Lua i Stíl Chicago (17ú heag.)Rai, Urmila. Business Communication - F.Y.B.Com. Mumbai: Himalaya Publishing House, 2005.
Lua MLA (9ú heag.)Rai, Urmila. Business Communication - F.Y.B.Com. Himalaya Publishing House, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.