Cita APA (7a ed.)

Elshafei, A. (1969). Numerical Control Series Post Processors. The Institute of National Planning.

Cita Chicago Style (17a ed.)

Elshafei, Alwalid. Numerical Control Series Post Processors. Cairo: The Institute of National Planning, 1969.

Cita MLA (9a ed.)

Elshafei, Alwalid. Numerical Control Series Post Processors. The Institute of National Planning, 1969.