Elshafei, A. (1969). Process Control Series Equipment Specifications. The Institute of National Planning.
Style de citation Chicago (17e éd.)Elshafei, Alwalid. Process Control Series Equipment Specifications. Cairo: The Institute of National Planning, 1969.
Style de citation MLA (9e éd.)Elshafei, Alwalid. Process Control Series Equipment Specifications. The Institute of National Planning, 1969.