Sobotka, T. (2002). Ten years of rapid fertility changes in the European post - communist countries.
芝加哥风格引文Sobotka, Tomas. Ten Years of Rapid Fertility Changes in the European Post - Communist Countries. 2002.
MLA引文Sobotka, Tomas. Ten Years of Rapid Fertility Changes in the European Post - Communist Countries. 2002.
警告：这些引文格式不一定是100％准确.