Pandian, K. L. (2009). Global environmental Problems. ALP Books.
Lua i Stíl Chicago (17ú heag.)Pandian, K. L. Global Environmental Problems. New Dehli: ALP Books, 2009.
Lua MLA (9ú heag.)Pandian, K. L. Global Environmental Problems. ALP Books, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.