APA-referens (7:e uppl.)

Krishnamoorthy. (2009). Environmental Management: Tex (2nd.). Prentice Hall of India.

Chicago-referens (17:e uppl.)

Krishnamoorthy. Environmental Management: Tex. 2nd. New Delhi: Prentice Hall of India, 2009.

MLA-referens (9:e uppl.)

Krishnamoorthy. Environmental Management: Tex. 2nd. Prentice Hall of India, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.