APA
Rao B. B., . (1983). Modern Petroleum Retining Process. : New Delhi ,Oxford.
Chicago
Rao Bhaskar B.K, . 1983. Modern Petroleum Retining Process. : New Delhi ,Oxford.
Harvard
Rao B. B., . (1983). Modern Petroleum Retining Process. : New Delhi ,Oxford.
MLA
Rao Bhaskar B.K, . Modern Petroleum Retining Process. : New Delhi ,Oxford. 1983.