Elshafei, A. (1969). Numerical Control Series Post Processors. The Institute of National Planning.
Citazione stile Chigago Style (17a edizione)Elshafei, Alwalid. Numerical Control Series Post Processors. Cairo: The Institute of National Planning, 1969.
Citatione MLA (9a ed.)Elshafei, Alwalid. Numerical Control Series Post Processors. The Institute of National Planning, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.