APA

Lázaro W., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .PETROBRAS, marlim crude and delayed coking units (DCU). : .

Chicago

Lázaro Weimar, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .PETROBRAS, marlim crude and delayed coking units (DCU). : .

Harvard

Lázaro W., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .PETROBRAS, marlim crude and delayed coking units (DCU). : .

MLA

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