APA

Silva F., Guítian G., Galiasso R., INTEVEP, World Petroleum Congress (11th. : 1983 : London), Guítian G., Galiasso R. & INTEVEP.The HDH process for upgrading of heavy venezuelan crudes. : .

Chicago

Silva F, Guítian G, Galiasso R, INTEVEP, World Petroleum Congress (11th. : 1983 : London), Guítian G, Galiasso R and INTEVEP.The HDH process for upgrading of heavy venezuelan crudes. : .

Harvard

Silva F., Guítian G., Galiasso R., INTEVEP, World Petroleum Congress (11th. : 1983 : London), Guítian G., Galiasso R. and INTEVEP.The HDH process for upgrading of heavy venezuelan crudes. : .

MLA

Silva F, Guítian G, Galiasso R, INTEVEP, World Petroleum Congress (11th. : 1983 : London), Guítian G, Galiasso R and INTEVEP.: . .