Sinha, P. (1998). Green movements. Anmol Publishers.
Chicago-čujuhus (17. p.)Sinha, P. Green Movements. New Delhi: Anmol Publishers, 1998.
MLA-čujuhus (9. p.)Sinha, P. Green Movements. Anmol Publishers, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.