Indian Institute of petroleum. (2010). Indian institute of petroleum: Turns a golden leaf. Indian Institute of petroleum.
Chicago-viite (17. p.)Indian Institute of petroleum. Indian Institute of Petroleum: Turns a Golden Leaf. Dehradun: Indian Institute of petroleum, 2010.
MLA-viite (9. p.)Indian Institute of petroleum. Indian Institute of Petroleum: Turns a Golden Leaf. Indian Institute of petroleum, 2010.
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