Krishnamoorthy. (2009). Environmental Management: Tex (2nd.). Prentice Hall of India.
Lua i Stíl Chicago (17ú heag.)Krishnamoorthy. Environmental Management: Tex. 2nd. New Delhi: Prentice Hall of India, 2009.
Lua MLA (9ú heag.)Krishnamoorthy. Environmental Management: Tex. 2nd. Prentice Hall of India, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.