APA

Redhwi H. H., Ali S., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Ali S.Development of high performance catalyst for heavy oil upgrading. : .

Chicago

Redhwi Halim H, Ali Syed, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Ali Syed.Development of high performance catalyst for heavy oil upgrading. : .

Harvard

Redhwi H. H., Ali S., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Ali S.Development of high performance catalyst for heavy oil upgrading. : .

MLA

Redhwi Halim H, Ali Syed, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Ali Syed.: . .