Elshafei, A. (1969). Numerical Control: The Second Industrial Revolution. The Institute of National Planning.
Chicago-Zitierstil (17. Ausg.)Elshafei, Alwalid. Numerical Control: The Second Industrial Revolution. Cairo: The Institute of National Planning, 1969.
MLA-Zitierstil (9. Ausg.)Elshafei, Alwalid. Numerical Control: The Second Industrial Revolution. The Institute of National Planning, 1969.