Seshagiri N. (1984). Pollution. National Book Trust.
Chicago-čujuhus (17. p.)Seshagiri N. Pollution. New Delhi: National Book Trust, 1984.
MLA-čujuhus (9. p.)Seshagiri N. Pollution. National Book Trust, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.