APA

Rao A. V., Halawani O., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. & Halawani O.Artificial lift system operation at Saudi ARAMCO Central Arabia fields. : .

Chicago

Rao Adurty V.C, Halawani O.M, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Halawani O.M.Artificial lift system operation at Saudi ARAMCO Central Arabia fields. : .

Harvard

Rao A. V., Halawani O., World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro B. and Halawani O.Artificial lift system operation at Saudi ARAMCO Central Arabia fields. : .

MLA

Rao Adurty V.C, Halawani O.M, World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro Brasil) and Halawani O.M.: . .