Wu, J., & Morris, J. K. (2013). The population prevalence of Down's syndrome in England and Wales in 2011. Nature Publishing Group.
Čikaški stil citiranjaWu, Jianhua, i Joan K. Morris. The Population Prevalence of Down's Syndrome in England and Wales in 2011. Nature Publishing Group, 2013.
MLA način citiranjaWu, Jianhua, i Joan K. Morris. The Population Prevalence of Down's Syndrome in England and Wales in 2011. Nature Publishing Group, 2013.
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