APA

Franke M. R., Petrobras, World Petroleum Congress (13th. : 1991 : Buenos Aires) & Petrobras.Discovered and potential petroleum resources, deep offshore Brazil. : .

Chicago

Franke Milton R, Petrobras, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petrobras.Discovered and potential petroleum resources, deep offshore Brazil. : .

Harvard

Franke M. R., Petrobras, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petrobras.Discovered and potential petroleum resources, deep offshore Brazil. : .

MLA

Franke Milton R, Petrobras, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petrobras.: . .