Cita APA (7th ed.)

Singh, R. B. (1998). Ecological techniques and approaches to vulnerable environment: Hydrosphere-geosphere interaction. Oxford & IBH Publishing Co..

Cita Chicago (17th ed.)

Singh, R. B. Ecological Techniques and Approaches to Vulnerable Environment: Hydrosphere-geosphere Interaction. New Delhi: Oxford & IBH Publishing Co., 1998.

Cita MLA (9th ed.)

Singh, R. B. Ecological Techniques and Approaches to Vulnerable Environment: Hydrosphere-geosphere Interaction. Oxford & IBH Publishing Co., 1998.