APA

Abdel-Gelll I., El-Sharkawl E., Mahmoud I. Y., Bedrous M. A., World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), El-Sharkawl E., Mahmoud I. Y. & Bedrous M. A.Egypt. : .

Chicago

Abdel-Gelll Ibrahim, El-Sharkawl Emad, Mahmoud Ibrahim Yassin, Bedrous Maher Aziz, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), El-Sharkawl Emad, Mahmoud Ibrahim Yassin and Bedrous Maher Aziz.Egypt. : .

Harvard

Abdel-Gelll I., El-Sharkawl E., Mahmoud I. Y., Bedrous M. A., World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), El-Sharkawl E., Mahmoud I. Y. and Bedrous M. A.Egypt. : .

MLA

Abdel-Gelll Ibrahim, El-Sharkawl Emad, Mahmoud Ibrahim Yassin, Bedrous Maher Aziz, World Energy Congress (18th. : 2001 oct. 21-25 : Buenos Aires), El-Sharkawl Emad, Mahmoud Ibrahim Yassin and Bedrous Maher Aziz.: . .