Kumar, R. (2014). Personality developement and group discussion. Omega.
Lua i Stíl Chicago (17ú heag.)Kumar, Rajesh. Personality Developement and Group Discussion. New Delhi: Omega, 2014.
Lua MLA (9ú heag.)Kumar, Rajesh. Personality Developement and Group Discussion. Omega, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.