Παραπομπή APA

International Association for Energy Economics (12th: Jan 4-6,1990: New Delhi), & Pachauri,R K and Leena,Srivastava. (1991). Energy-environment-development: Proceedings of the 12th international..... in New Delhi. Vikas.

Παραπομπή Chicago Style

International Association for Energy Economics (12th: Jan 4-6,1990: New Delhi), και Pachauri,R K and Leena,Srivastava. Energy-environment-development: Proceedings of the 12th International..... in New Delhi. Delhi: Vikas, 1991.

Παραπομπή MLA

International Association for Energy Economics (12th: Jan 4-6,1990: New Delhi), και Pachauri,R K and Leena,Srivastava. Energy-environment-development: Proceedings of the 12th International..... in New Delhi. Vikas, 1991.