APA

McWilliams J. B., Jonge L. d., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Jonge L. d.Preparing for verification and monitoring. : .

Chicago

McWilliams John B, Jonge Laura de, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Jonge Laura de.Preparing for verification and monitoring. : .

Harvard

McWilliams J. B., Jonge L. d., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Jonge L. d.Preparing for verification and monitoring. : .

MLA

McWilliams John B, Jonge Laura de, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Jonge Laura de.: . .