Lakshmana, C. (2016). Sustainable Development & Environmental Protection. Book well.
Lua i Stíl Chicago (17ú heag.)Lakshmana, C.M. Sustainable Development & Environmental Protection. Delhi: Book well, 2016.
Lua MLA (9ú heag.)Lakshmana, C.M. Sustainable Development & Environmental Protection. Book well, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.