Boctor, A. L. (1966). The Classical Transportation Problem and its Application in Iron-ore Industry (U.A.R.). The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Boctor, Adel L. The Classical Transportation Problem and Its Application in Iron-ore Industry (U.A.R.). Cairo: The Institute of National Planning, 1966.
Lua MLA (9ú heag.)Boctor, Adel L. The Classical Transportation Problem and Its Application in Iron-ore Industry (U.A.R.). The Institute of National Planning, 1966.