Citazione APA

Sanjay Gupta Ed. (2000). Yearbook of energy-environment statistics(yes)1999/2000. Bharat information Technology Services.

Stile di citazione Chicago

Sanjay Gupta Ed. Yearbook of Energy-environment Statistics(yes)1999/2000. New Delhi: Bharat information Technology Services, 2000.

Citazione MLA

Sanjay Gupta Ed. Yearbook of Energy-environment Statistics(yes)1999/2000. Bharat information Technology Services, 2000.