APA

,, . (1990). Conference on improving traffic and quality of life in metropolitan areas : Working documents and conclusions. Strasbourg: Council of Europe.

Chicago

,, . 1990. Conference on improving traffic and quality of life in metropolitan areas : Working documents and conclusions. Strasbourg: Council of Europe.

Harvard

,, . (1990). Conference on improving traffic and quality of life in metropolitan areas : Working documents and conclusions. Strasbourg: Council of Europe.

MLA

,, . Conference on improving traffic and quality of life in metropolitan areas : Working documents and conclusions. Strasbourg: Council of Europe. 1990.