Elshafei, A. (1969). A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning.
Čikaški stil citiranja (17. izdanje)Elshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. Cairo: The Institute of National Planning, 1969.
MLA način citiranja (9. izdanje)Elshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning, 1969.