APA

Costa R. d., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Development of Angola block 15, the Kizomba a project. : .

Chicago

Costa Ruben da, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .Development of Angola block 15, the Kizomba a project. : .

Harvard

Costa R. d., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Development of Angola block 15, the Kizomba a project. : .

MLA

Costa Ruben da, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .: . .