Ewieda, M. (1965). Directory to Periodicals at the I.N.P. Documentation Center. The Institute of National Planning.
芝加哥风格引文Ewieda, Mohammed. Directory to Periodicals at the I.N.P. Documentation Center. Cairo: The Institute of National Planning, 1965.
MLA引文Ewieda, Mohammed. Directory to Periodicals at the I.N.P. Documentation Center. The Institute of National Planning, 1965.
警告：这些引文格式不一定是100％准确.