Dyfyniad APA

Gary, J. H. (1975). The petroleum refining technology and economics. New York: Marcel Dekker.

Dyfyniad Arddull Chicago

Gary, James H. The Petroleum Refining Technology and Economics. New York: Marcel Dekker, 1975.

Dyfyniad MLA

Gary, James H. The Petroleum Refining Technology and Economics. New York: Marcel Dekker, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.