.Shawky, G. A. (1999). Detecting changes in fertility: In Algeria, Egypt and yemen. Cairo Demographic Center.
Citação norma Chicago.Shawky, Gihan A. Detecting Changes in Fertility: In Algeria, Egypt and Yemen. Cairo: Cairo Demographic Center, 1999.
Citação norma MLA.Shawky, Gihan A. Detecting Changes in Fertility: In Algeria, Egypt and Yemen. Cairo Demographic Center, 1999.