Gaya APA
Rao, B.
(2002).
Modern Petroleum Refining Processes, Fourth Edition
.
Oxfod:
Vijay Primlani fo Oxford.
Gaya MLA
Rao, Bhaskara.
"Modern Petroleum Refining Processes, Fourth Edition".
Oxfod:
Vijay Primlani fo Oxford,
2002.
Text.