Elshafei, A. (1969). A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning.
Citazione stile Chigago Style (17a edizione)Elshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. Cairo: The Institute of National Planning, 1969.
Citatione MLA (9a ed.)Elshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning, 1969.