APA
Najim N Ed, International conference on system approach for development (1980 : Rabat) & Abdel-Faitah M Ed. (1981). Proceedings on system approach for development. Oxford: Pergamon press.
Chicago
Najim N Ed, International conference on system approach for development (1980 : Rabat) and Abdel-Faitah M Ed. 1981. Proceedings on system approach for development. Oxford: Pergamon press.
Harvard
Najim N Ed, International conference on system approach for development (1980 : Rabat) and Abdel-Faitah M Ed. (1981). Proceedings on system approach for development. Oxford: Pergamon press.
MLA
Najim N Ed, International conference on system approach for development (1980 : Rabat) and Abdel-Faitah M Ed. Proceedings on system approach for development. Oxford: Pergamon press. 1981.
