Gaya APA

SPEGHT,James G. (). The Desulfurization of Heavy oils and Residua . New York: Marcel Dekker Inc1981.

Gaya Chicago

SPEGHT,James G. The Desulfurization of Heavy oils and Residua. New York: Marcel Dekker Inc1981, . Teks.

Gaya MLA

SPEGHT,James G. The Desulfurization of Heavy oils and Residua. New York: Marcel Dekker Inc1981, . Teks.

Gaya Turabian

SPEGHT,James G. The Desulfurization of Heavy oils and Residua. New York: Marcel Dekker Inc1981, . Teks.