APA

,, . (1989). Text adopted by the council of Europe in the field of the conservation of European wildlife and natural habitats. Strasbourg: Council of Europe.

Chicago

,, . 1989. Text adopted by the council of Europe in the field of the conservation of European wildlife and natural habitats. Strasbourg: Council of Europe.

Harvard

,, . (1989). Text adopted by the council of Europe in the field of the conservation of European wildlife and natural habitats. Strasbourg: Council of Europe.

MLA

,, . Text adopted by the council of Europe in the field of the conservation of European wildlife and natural habitats. Strasbourg: Council of Europe. 1989.