Não informado. (1970). Egyptian Journal of Physics. National Information and Documentation Centre, Egyptian Physical Society.
Chicago-viite (17. p.)Não informado. Egyptian Journal of Physics. Cairo: National Information and Documentation Centre, Egyptian Physical Society, 1970.
MLA-viite (8. p.)Não informado. Egyptian Journal of Physics. National Information and Documentation Centre, Egyptian Physical Society, 1970.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.