APA

,, . (1986). Twinnings of European towns and regions. Strasbourg: Council of Europe.

Chicago

,, . 1986. Twinnings of European towns and regions. Strasbourg: Council of Europe.

Harvard

,, . (1986). Twinnings of European towns and regions. Strasbourg: Council of Europe.

MLA

,, . Twinnings of European towns and regions. Strasbourg: Council of Europe. 1986.