Elshafei, A. (1969). A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning.
Chicago (17e ed.) BronvermeldingElshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. Cairo: The Institute of National Planning, 1969.
MLA (9e ed.) BronvermeldingElshafei, Alwalid. A Multi-Channel Queuing Model A Simulation Approach. The Institute of National Planning, 1969.