Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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