APA

Araujo H., Vaticon P., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Vaticon P.Pacific LNG project. : .

Chicago

Araujo Hugo, Vaticon Pedro, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Vaticon Pedro.Pacific LNG project. : .

Harvard

Araujo H., Vaticon P., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Vaticon P.Pacific LNG project. : .

MLA

Araujo Hugo, Vaticon Pedro, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Vaticon Pedro.: . .