Elshafei, A. (1969). Process Control Series: Process Control in The Iron & Steel Industry. The Institute of National Planning.
Chicago (17e ed.) BronvermeldingElshafei, Alwalid. Process Control Series: Process Control in The Iron & Steel Industry. Cairo: The Institute of National Planning, 1969.
MLA (9e ed.) BronvermeldingElshafei, Alwalid. Process Control Series: Process Control in The Iron & Steel Industry. The Institute of National Planning, 1969.