Indian Institute of petroleum. (2010). Indian institute of petroleum: Turns a golden leaf. Indian Institute of petroleum.
Chicagoスタイル(17版)引用形式Indian Institute of petroleum. Indian Institute of Petroleum: Turns a Golden Leaf. Dehradun: Indian Institute of petroleum, 2010.
MLA(9版)引用形式Indian Institute of petroleum. Indian Institute of Petroleum: Turns a Golden Leaf. Indian Institute of petroleum, 2010.
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