Não informado. (1970). Egyptian Journal of Physics. National Information and Documentation Centre, Egyptian Physical Society.
Chicago-referens (17:e uppl.)Não informado. Egyptian Journal of Physics. Cairo: National Information and Documentation Centre, Egyptian Physical Society, 1970.
MLA-referens (8:e uppl.)Não informado. Egyptian Journal of Physics. National Information and Documentation Centre, Egyptian Physical Society, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.