Shinde, P. (2009). Environmental Studies (F.Y.BCOM) (2 ed.). Sheth Publishers.
Lua i Stíl Chicago (17ú heag.)Shinde, P.G. Environmental Studies (F.Y.BCOM). 2 ed. Mumbai: Sheth Publishers, 2009.
Lua MLA (9ú heag.)Shinde, P.G. Environmental Studies (F.Y.BCOM). 2 ed. Sheth Publishers, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.