APA
Speight J. G., . (1999). The Desulfurization of Heavy Oils and Residua. : CRC Press.
Chicago
Speight James G, . 1999. The Desulfurization of Heavy Oils and Residua. : CRC Press.
Harvard
Speight J. G., . (1999). The Desulfurization of Heavy Oils and Residua. : CRC Press.
MLA
Speight James G, . The Desulfurization of Heavy Oils and Residua. : CRC Press. 1999.