APA
World Energy Conference, . (1983). Do: Vol.A Natural Gas in an Environment of World Wide Activities in the Energy Sector RT-36. New Delhi: Organising Committe 12th Congress World Energy Conference.
Chicago
World Energy Conference, . 1983. Do: Vol.A Natural Gas in an Environment of World Wide Activities in the Energy Sector RT-36. New Delhi: Organising Committe 12th Congress World Energy Conference.
Harvard
World Energy Conference, . (1983). Do: Vol.A Natural Gas in an Environment of World Wide Activities in the Energy Sector RT-36. New Delhi: Organising Committe 12th Congress World Energy Conference.
MLA
World Energy Conference, . Do: Vol.A Natural Gas in an Environment of World Wide Activities in the Energy Sector RT-36. New Delhi: Organising Committe 12th Congress World Energy Conference. 1983.