APA

,, . (1979). Soci-economic factors affecting fertility and motivation for parenthood. Strasbourg: Council of Europe.

Chicago

,, . 1979. Soci-economic factors affecting fertility and motivation for parenthood. Strasbourg: Council of Europe.

Harvard

,, . (1979). Soci-economic factors affecting fertility and motivation for parenthood. Strasbourg: Council of Europe.

MLA

,, . Soci-economic factors affecting fertility and motivation for parenthood. Strasbourg: Council of Europe. 1979.