Παραπομπή σε μορφή APA (7η εκδ.)

Ewieda, M. (1965). Directory to Periodicals at the I.N.P. Documentation Center. The Institute of National Planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ewieda, Mohammed. Directory to Periodicals at the I.N.P. Documentation Center. Cairo: The Institute of National Planning, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ewieda, Mohammed. Directory to Periodicals at the I.N.P. Documentation Center. The Institute of National Planning, 1965.