Rofail, S. (1967). Methodology & Summary. The Institute of National Planning.
Čikaški stil citiranja (17. izdanje)Rofail, Salib. Methodology & Summary. Cairo: The Institute of National Planning, 1967.
MLA način citiranja (9. izdanje)Rofail, Salib. Methodology & Summary. The Institute of National Planning, 1967.
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