APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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