Style de citation APA (7e éd.)

Elshafei, A. (1969). General Purpose Systems Simulator (GPSS). The Institute of National Planning.

Style de citation Chicago (17e éd.)

Elshafei, Alwalid. General Purpose Systems Simulator (GPSS). Cairo: The Institute of National Planning, 1969.

Style de citation MLA (9e éd.)

Elshafei, Alwalid. General Purpose Systems Simulator (GPSS). The Institute of National Planning, 1969.

Attention : ces citations peuvent ne pas être correctes à 100%.