APA

Britton R., Kirkpatrick R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Kirkpatrick R.Advanced syngas technology. : .

Chicago

Britton Ronald, Kirkpatrick Robert, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Kirkpatrick Robert.Advanced syngas technology. : .

Harvard

Britton R., Kirkpatrick R., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Kirkpatrick R.Advanced syngas technology. : .

MLA

Britton Ronald, Kirkpatrick Robert, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Kirkpatrick Robert.: . .