el-haddad, M., & amer, r. (1965). application of linear programming to curve fitting and theory of approximation. the institute of national planning.
Чикаго стиль цитування (17-те видання)el-haddad, M.S, та roshdi amer. Application of Linear Programming to Curve Fitting and Theory of Approximation. cairo: the institute of national planning, 1965.
Стиль цитування MLA (9-ме видання)el-haddad, M.S, та roshdi amer. Application of Linear Programming to Curve Fitting and Theory of Approximation. the institute of national planning, 1965.