Lakshmana, C. (2016). Sustainable Development & Environmental Protection. Book well.
Chicago-čujuhus (17. p.)Lakshmana, C.M. Sustainable Development & Environmental Protection. Delhi: Book well, 2016.
MLA-čujuhus (9. p.)Lakshmana, C.M. Sustainable Development & Environmental Protection. Book well, 2016.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.