APA

Mannarino R., Petróleo Brasileiro S.A, World Petroleum Congress (13th. : 1991 : Buenos Aires) & Petróleo Brasileiro S.A.Economic and fiscal aspects of petroleum risk contracts. : .

Chicago

Mannarino Remo, Petróleo Brasileiro S.A, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleo Brasileiro S.A.Economic and fiscal aspects of petroleum risk contracts. : .

Harvard

Mannarino R., Petróleo Brasileiro S.A, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleo Brasileiro S.A.Economic and fiscal aspects of petroleum risk contracts. : .

MLA

Mannarino Remo, Petróleo Brasileiro S.A, World Petroleum Congress (13th. : 1991 : Buenos Aires) and Petróleo Brasileiro S.A.: . .