Krishnan, P. (1980). The symbol and the substance: Indian youth in development. Data Centre, Vishwa Yuvak Kendra.
Lua i Stíl Chicago (17ú heag.)Krishnan, Prabha. The Symbol and the Substance: Indian Youth in Development. New Delhi: Data Centre, Vishwa Yuvak Kendra, 1980.
Lua MLA (8ú heag.)Krishnan, Prabha. The Symbol and the Substance: Indian Youth in Development. Data Centre, Vishwa Yuvak Kendra, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.