Dutta,Ritwick. (2000). Environmental activists' handbook I (3rd.). SIDA.
Lua i Stíl Chicago (17ú heag.)Dutta,Ritwick. Environmental Activists' Handbook I. 3rd. Delhi: SIDA, 2000.
Lua MLA (9ú heag.)Dutta,Ritwick. Environmental Activists' Handbook I. 3rd. SIDA, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.