Ewieda, M., Zakaria, S., & Farag, F. (1968). Classified Index to Articles of the Periodicals for the years 1965 and 1966. The Institute of National Planning.
Chicago-viite (17. p.)Ewieda, Mohammed, Sohair Zakaria, ja Farouk Farag. Classified Index to Articles of the Periodicals for the Years 1965 and 1966. Cairo: The Institute of National Planning, 1968.
MLA-viite (9. p.)Ewieda, Mohammed, et al. Classified Index to Articles of the Periodicals for the Years 1965 and 1966. The Institute of National Planning, 1968.
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