Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ewieda, Mohammed, Sohair Zakaria, και Farouk Farag. Classified Index to Articles of the Periodicals for the Years 1965 and 1966. Cairo: The Institute of National Planning, 1968.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ewieda, Mohammed, et al. Classified Index to Articles of the Periodicals for the Years 1965 and 1966. The Institute of National Planning, 1968.