Elshafei, A. (1969). Numerical Control Series Post Processors. The Institute of National Planning.
Chicago-čujuhus (17. p.)Elshafei, Alwalid. Numerical Control Series Post Processors. Cairo: The Institute of National Planning, 1969.
MLA-čujuhus (9. p.)Elshafei, Alwalid. Numerical Control Series Post Processors. The Institute of National Planning, 1969.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.