Trived, A. (2009). Environmental monitoring and management. Alfa Publications.
Lua i Stíl Chicago (17ú heag.)Trived, Abha. Environmental Monitoring and Management. New Delhi: Alfa Publications, 2009.
Lua MLA (9ú heag.)Trived, Abha. Environmental Monitoring and Management. Alfa Publications, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.