Dyfyniad APA

Sobotka, T. (2002). Ten years of rapid fertility changes in the European post - communist countries.

Dyfyniad Arddull Chicago

Sobotka, Tomas. Ten Years of Rapid Fertility Changes in the European Post - Communist Countries. 2002.

Dyfyniad MLA

Sobotka, Tomas. Ten Years of Rapid Fertility Changes in the European Post - Communist Countries. 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.