Dyfyniad APA
Rao, B. B. (2002). Modern petroleum refining processes (4th.). Oxford & IBH Publishing.
Dyfyniad Arddull Chicago
Rao, B.K. Bhaskara. Modern Petroleum Refining Processes. 4th. New Delhi: Oxford & IBH Publishing, 2002.
Dyfyniad MLA
Rao, B.K. Bhaskara. Modern Petroleum Refining Processes. 4th. Oxford & IBH Publishing, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.