Rao, T. (2002). 360 degree feedback and performance management system Vol Two. Excel.
Lua i Stíl Chicago (17ú heag.)Rao, T. 360 Degree Feedback and Performance Management System Vol Two. New Delhi: Excel, 2002.
Lua MLA (9ú heag.)Rao, T. 360 Degree Feedback and Performance Management System Vol Two. Excel, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.