Central Statistical Organisation of Yemen. General Population Housing and Establishment Census 2004 Final Results [1]Архівавана 21 мая 2013., Statistic Yearbook 2005 of Yemen [2]Архівавана 20 чэрвеня 2010.
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Central Statistical Organisation of Yemen. General Population Housing and Establishment Census 2004 Final Results [1]Архівавана 21 мая 2013., Statistic Yearbook 2005 of Yemen [2]Архівавана 20 чэрвеня 2010.
