APA
India M. o. P. a. N. G., . (1987). Indian petroleum and natural gas statistics, 1986-87. New Delhi: Cont of Pub.
Chicago
India Ministry of Petroleum and Natural Gas, . 1987. Indian petroleum and natural gas statistics, 1986-87. New Delhi: Cont of Pub.
Harvard
India M. o. P. a. N. G., . (1987). Indian petroleum and natural gas statistics, 1986-87. New Delhi: Cont of Pub.
MLA
India Ministry of Petroleum and Natural Gas, . Indian petroleum and natural gas statistics, 1986-87. New Delhi: Cont of Pub. 1987.