APA

Coulter C., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Corporate social responsability monitor 2001. : .

Chicago

Coulter Chris, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .Corporate social responsability monitor 2001. : .

Harvard

Coulter C., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Corporate social responsability monitor 2001. : .

MLA

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