APA (7e ed.) Bronvermelding
Gupta, O. P. (2016). Elements of petroleum refinery engineering. Khanna Book Publishing Co.
Chicago (17e ed.) Bronvermelding
Gupta, Om Prakash. Elements of Petroleum Refinery Engineering. New Delhi: Khanna Book Publishing Co, 2016.
MLA (9e ed.) Bronvermelding
Gupta, Om Prakash. Elements of Petroleum Refinery Engineering. Khanna Book Publishing Co, 2016.
Let op: Deze citaties zijn niet altijd 100% accuraat.