Professional. (2005). Environment and Pollution Laws. Professional.
Chicago-čujuhus (17. p.)Professional. Environment and Pollution Laws. New Delhi: Professional, 2005.
MLA-čujuhus (9. p.)Professional. Environment and Pollution Laws. Professional, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.