Sethi, R. (2001). Communicating effectively. Infinity Books.
Lua i Stíl Chicago (17ú heag.)Sethi, Rajeev. Communicating Effectively. New Delhi: Infinity Books, 2001.
Lua MLA (9ú heag.)Sethi, Rajeev. Communicating Effectively. Infinity Books, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.