Gaya APA
speight, J, G.
(200).
The desulfurization of heavy oils and residua
(
2000)
.
:
New York : Marcel Dekker, Inc.,.
Gaya MLA
speight, James, G.
"The desulfurization of heavy oils and residua".
2000
:
New York : Marcel Dekker, Inc.,,
200.
Text.