Vyas, L., & Garg, R. (1989). Wetland Conservation. Environment community centre.
Chicago-čujuhus (17. p.)Vyas, L.N, juo R.K Garg. Wetland Conservation. Udaipur: Environment community centre, 1989.
MLA-čujuhus (9. p.)Vyas, L.N, juo R.K Garg. Wetland Conservation. Environment community centre, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.