Cita APA (7a ed.)

Elshafei, A. (1969). On The Machine Interference Problem. The Institute of National Planning.

Cita Chicago Style (17a ed.)

Elshafei, Alwalid. On The Machine Interference Problem. Cairo: The Institute of National Planning, 1969.

Cita MLA (9a ed.)

Elshafei, Alwalid. On The Machine Interference Problem. The Institute of National Planning, 1969.

Precaución: Estas citas no son 100% exactas.