Citazione APA

Ahuja, D. R., & Pachauri, R. K. G. (1983). National energy data systems [proceedings]. Concept Publishing.

Stile di citazione Chicago

Ahuja, D R., e R K Gopalakrishnan Pachauri. National Energy Data Systems [proceedings]. New Delhi: Concept Publishing, 1983.

Citazione MLA

Ahuja, D R., e R K Gopalakrishnan Pachauri. National Energy Data Systems [proceedings]. Concept Publishing, 1983.