Rizkalla, R. R., & Afaf Fouad Nakhla. (1982). Special Problems in Linear Programing. Ain Shams University.
Cita Chicago (17th ed.)Rizkalla, Rafat Riad, i Afaf Fouad Nakhla. Special Problems in Linear Programing. Cairo: Ain Shams University, 1982.
Cita MLA (9th ed.)Rizkalla, Rafat Riad, i Afaf Fouad Nakhla. Special Problems in Linear Programing. Ain Shams University, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.