Arnold, Fred; Zhaoxiang, Liu (1986). "Sex Preference, Fertility, and Family Planning in China". Population and Development Review. 12 (2): 221–246. doi:10.2307/1973109. JSTOR1973109.
Arnold, Fred; Zhaoxiang, Liu (1986). "Sex Preference, Fertility, and Family Planning in China". Population and Development Review. 12 (2): 221–246. doi:10.2307/1973109. JSTOR1973109.