Trived, A. (2009). Environmental monitoring and management. Alfa Publications.
Chicago-čujuhus (17. p.)Trived, Abha. Environmental Monitoring and Management. New Delhi: Alfa Publications, 2009.
MLA-čujuhus (9. p.)Trived, Abha. Environmental Monitoring and Management. Alfa Publications, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.