Sirageldin . Ismail. (2002). Human Capital population Economics in the Middle East. The American University cairo.
Cita Chicago (17th ed.)Sirageldin . Ismail. Human Capital Population Economics in the Middle East. cairo: The American University cairo, 2002.
Cita MLA (9th ed.)Sirageldin . Ismail. Human Capital Population Economics in the Middle East. The American University cairo, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.