Farahat, A. M. (1977). Some Experience, with Network Schedule Modelling of A Cement Firm: "The Tourah Co. Case". The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Farahat, Ahmed M. Some Experience, with Network Schedule Modelling of A Cement Firm: "The Tourah Co. Case". Cairo: The Institute of National Planning, 1977.
Lua MLA (9ú heag.)Farahat, Ahmed M. Some Experience, with Network Schedule Modelling of A Cement Firm: "The Tourah Co. Case". The Institute of National Planning, 1977.