Afifi, M. M., Zakaria, S., & Farag, F. (1968). Bibliographical Guide to The UN Mimeographed Documents. The Institute of National Planning.
Chicago-čujuhus (17. p.)Afifi, Mahmoud M., Sohair Zakaria, juo Farouk Farag. Bibliographical Guide to The UN Mimeographed Documents. Cairo: The Institute of National Planning, 1968.
MLA-čujuhus (9. p.)Afifi, Mahmoud M., et al. Bibliographical Guide to The UN Mimeographed Documents. The Institute of National Planning, 1968.
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