APA (7th ed.) Zitazioa

El-Gendi, S., & Hassan, A. (1969). Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning.

Chicago Style (17th ed.) Zitazioa

El-Gendi, Slah, eta Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. Cairo: The Institute of National Planning, 1969.

MLA (9th ed.) Zitazioa

El-Gendi, Slah, eta Ahmed Hassan. Solution of Variational Problems with Bounded Control Variables. The Institute of National Planning, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.