APA

,, . (1999). Social protection in the European social charter. Strasbourg: Council of Europe.

Chicago

,, . 1999. Social protection in the European social charter. Strasbourg: Council of Europe.

Harvard

,, . (1999). Social protection in the European social charter. Strasbourg: Council of Europe.

MLA

,, . Social protection in the European social charter. Strasbourg: Council of Europe. 1999.