Afifi, M. M., Zakaria, S., & Farag, F. (1968). Bibliographical Guide to The UN Mimeographed Documents. The Institute of National Planning.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Afifi, Mahmoud M., Sohair Zakaria, ба Farouk Farag. Bibliographical Guide to The UN Mimeographed Documents. Cairo: The Institute of National Planning, 1968.
MLA -ийн эшлэл (9 дэх хэвлэлт)Afifi, Mahmoud M., et al. Bibliographical Guide to The UN Mimeographed Documents. The Institute of National Planning, 1968.