APA

Halawani S. M., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Alternatives for better fluid catalytic cracking unit (FCCU) feed. : .

Chicago

Halawani Samir M, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .Alternatives for better fluid catalytic cracking unit (FCCU) feed. : .

Harvard

Halawani S. M., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B., .Alternatives for better fluid catalytic cracking unit (FCCU) feed. : .

MLA

Halawani Samir M, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil), .: . .