APA-čujuhus (7. p.)
Speight, J. G. (2000). The desulfurization of heavy oils and residua (2nd ed., rev. and expanded.). M. Dekker.
Chicago-čujuhus (17. p.)
Speight, James G. The Desulfurization of Heavy Oils and Residua. 2nd ed., rev. and expanded. New York: M. Dekker, 2000.
MLA-čujuhus (9. p.)
Speight, James G. The Desulfurization of Heavy Oils and Residua. 2nd ed., rev. and expanded. M. Dekker, 2000.
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