Sirageldin . Ismail. (2002). Human Capital population Economics in the Middle East. The American University cairo.
芝加哥风格引文Sirageldin . Ismail. Human Capital Population Economics in the Middle East. cairo: The American University cairo, 2002.
MLA引文Sirageldin . Ismail. Human Capital Population Economics in the Middle East. The American University cairo, 2002.
警告：这些引文格式不一定是100％准确.