Hindu. (2000). Survey of the environment 2000. Kasturi & sons ltd.
Cita Chicago (17th ed.)Hindu. Survey of the Environment 2000. Chennai: Kasturi & sons ltd, 2000.
Cita MLA (9th ed.)Hindu. Survey of the Environment 2000. Kasturi & sons ltd, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.