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.
Citazione stile Chigago Style (17a edizione)Ewieda, Mohammed, Sohair Zakaria, e Farouk Farag. Classified Index to Articles of the Periodicals for the Years 1965 and 1966. Cairo: The Institute of National Planning, 1968.
Citatione MLA (9a ed.)Ewieda, Mohammed, et al. Classified Index to Articles of the Periodicals for the Years 1965 and 1966. The Institute of National Planning, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.