APA (7th ed.) Zitazioa
Gupta, O. P. (2016). Elements of petroleum refinery engineering. Khanna Book Publishing Co.
Chicago Style (17th ed.) Zitazioa
Gupta, Om Prakash. Elements of Petroleum Refinery Engineering. New Delhi: Khanna Book Publishing Co, 2016.
MLA (9th ed.) Zitazioa
Gupta, Om Prakash. Elements of Petroleum Refinery Engineering. Khanna Book Publishing Co, 2016.
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