Sobotka, T. (2002). Ten years of rapid fertility changes in the European post - communist countries.
Chicago Style aipamenaSobotka, Tomas. Ten Years of Rapid Fertility Changes in the European Post - Communist Countries. 2002.
MLA aipamenaSobotka, Tomas. Ten Years of Rapid Fertility Changes in the European Post - Communist Countries. 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.