Lakshmana, C. (2016). Sustainable Development & Environmental Protection. Book well.
Chicago-referens (17:e uppl.)Lakshmana, C.M. Sustainable Development & Environmental Protection. Delhi: Book well, 2016.
MLA-referens (9:e uppl.)Lakshmana, C.M. Sustainable Development & Environmental Protection. Book well, 2016.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.