APA
ONGC MAPL, . (2006). Downstream India. New Delhi: Manglore Refinery & Petrochemicals ltd.
Chicago
ONGC MAPL, . 2006. Downstream India. New Delhi: Manglore Refinery & Petrochemicals ltd.
Harvard
ONGC MAPL, . (2006). Downstream India. New Delhi: Manglore Refinery & Petrochemicals ltd.
MLA
ONGC MAPL, . Downstream India. New Delhi: Manglore Refinery & Petrochemicals ltd. 2006.