Lua APA (7ú heag.)

Bhatnagar Aditya. (2010). Principles of environmental studies. Oxford University Press.

Lua i Stíl Chicago (17ú heag.)

Bhatnagar Aditya. Principles of Environmental Studies. Delhi: Oxford University Press, 2010.

Lua MLA (9ú heag.)

Bhatnagar Aditya. Principles of Environmental Studies. Oxford University Press, 2010.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.