 {{Cite journal| doi = 10.1111/j.1728-4465.2011.00295.x| volume = 42| issue = 4| pages = 311–313| last = Guilmoto| first = Christophe Z.| title = Book review: Mara Hvistendahl: Unnatural Selection: Choosing Boys Over Girls, and the Consequences of a World Full of Men| journal = Studies in Family Planning| date = 2011}}