APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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

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