APA

Barros J. d., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Olefins conversion technology applications. : .

Chicago

Barros Jose de, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .Olefins conversion technology applications. : .

Harvard

Barros J. d., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Olefins conversion technology applications. : .

MLA

Barros Jose de, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .: . .