Sinha, P. (1998). Green movements. Anmol Publishers.
Lua i Stíl Chicago (17ú heag.)Sinha, P. Green Movements. New Delhi: Anmol Publishers, 1998.
Lua MLA (9ú heag.)Sinha, P. Green Movements. Anmol Publishers, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.