APA

,, . (1989). The impact on social security systems of the evolution of new social realities and family structures. Strasbourg: Council of Europe.

Chicago

,, . 1989. The impact on social security systems of the evolution of new social realities and family structures. Strasbourg: Council of Europe.

Harvard

,, . (1989). The impact on social security systems of the evolution of new social realities and family structures. Strasbourg: Council of Europe.

MLA

,, . The impact on social security systems of the evolution of new social realities and family structures. Strasbourg: Council of Europe. 1989.