Afifi, M. M., Zakaria, S., & Farag, F. (1968). Bibliographical Guide to The UN Mimeographed Documents. The Institute of National Planning.
Tohutoru Kātū Chicago (17th ed.)Afifi, Mahmoud M., Sohair Zakaria, me Farouk Farag. Bibliographical Guide to The UN Mimeographed Documents. Cairo: The Institute of National Planning, 1968.
Tohutoro MLA (9th ed.)Afifi, Mahmoud M., et al. Bibliographical Guide to The UN Mimeographed Documents. The Institute of National Planning, 1968.