Rofail, S. (1967). Methodology & Summary. The Institute of National Planning.
Citazione stile Chigago Style (17a edizione)Rofail, Salib. Methodology & Summary. Cairo: The Institute of National Planning, 1967.
Citatione MLA (9a ed.)Rofail, Salib. Methodology & Summary. The Institute of National Planning, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.