APA način citiranja (7. izdanje)
Gupta, O. P. (2016). Elements of petroleum refinery engineering. Khanna Book Publishing Co.
Čikaški stil citiranja (17. izdanje)
Gupta, Om Prakash. Elements of Petroleum Refinery Engineering. New Delhi: Khanna Book Publishing Co, 2016.
MLA način citiranja (9. izdanje)
Gupta, Om Prakash. Elements of Petroleum Refinery Engineering. Khanna Book Publishing Co, 2016.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.