APA
India P. A. C. (. o., India P. A. C. (. o., . (1969). Indian petroleum and chemicals statistics, 1967. : .
Chicago
India Petroleum And Chemicals (Ministry of), India Petroleum And Chemicals (Ministry of), . 1969. Indian petroleum and chemicals statistics, 1967. : .
Harvard
India P. A. C. (. o., India P. A. C. (. o., . (1969). Indian petroleum and chemicals statistics, 1967. : .
MLA
India Petroleum And Chemicals (Ministry of), India Petroleum And Chemicals (Ministry of), . Indian petroleum and chemicals statistics, 1967. : . 1969.
