El-Gendi, S., & Hassan, A. (1969). Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning.
Citazione stile Chigago Style (17a edizione)El-Gendi, Slah, e Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. Cairo: The Institute of National Planning, 1969.
Citatione MLA (9a ed.)El-Gendi, Slah, e Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.