APA استشهاد

Speight, J. G. (1980). The Chemistry and technology of petroleum. Marcel dekker,INC..

استشهاد بنمط شيكاغو

Speight, James G. The Chemistry and Technology of Petroleum. New York: Marcel dekker,INC., 1980.

MLA استشهاد

Speight, James G. The Chemistry and Technology of Petroleum. Marcel dekker,INC., 1980.