APA
Magers W., Kazmierczak L., World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) & Kazmierczak L.Energy conservation in the USA refining industry. : .
Chicago
Magers W.J, Kazmierczak L.J, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Kazmierczak L.J.Energy conservation in the USA refining industry. : .
Harvard
Magers W., Kazmierczak L., World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Kazmierczak L.Energy conservation in the USA refining industry. : .
MLA
Magers W.J, Kazmierczak L.J, World Petroleum Congress (10th : 1979 sept. 9-14 : Bucharest) and Kazmierczak L.J.: . .