el- gendi, s. (1965). a course in numerical treatment of differential equations. the institute of national planning.
Chicago-viite (17. p.)el- gendi, salah. A Course in Numerical Treatment of Differential Equations. cairo: the institute of national planning, 1965.
MLA-viite (9. p.)el- gendi, salah. A Course in Numerical Treatment of Differential Equations. the institute of national planning, 1965.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.