{{Cite journal| doi = 10.1007/s13524-011-0083-7| issn = 0070-3370| volume = 49| issue = 1| pages = 77–100| last = Guilmoto| first = Christophe Z.| title = Skewed Sex Ratios at Birth and Future Marriage Squeeze in China and India, 2005–2100| journal = Demography| access-date = 2012-03-07| date = 2012-02| url = http://www.springerlink.com/content/98h134228387130p/abstract/}}