APA

Bradford S. R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Product marketing opportunities of fischer-tropsch GTL. : .

Chicago

Bradford Stuart R, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .Product marketing opportunities of fischer-tropsch GTL. : .

Harvard

Bradford S. R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Product marketing opportunities of fischer-tropsch GTL. : .

MLA

Bradford Stuart R, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .: . .