Cita APA (7a ed.)

Nigam, S. C. (2006). Ecotourism and sustainable development. Rajat Publications.

Cita Chicago Style (17a ed.)

Nigam, Satish Chandra. Ecotourism and Sustainable Development. New Delhi: Rajat Publications, 2006.

Cita MLA (9a ed.)

Nigam, Satish Chandra. Ecotourism and Sustainable Development. Rajat Publications, 2006.