APA

,, . (1999). Nature conservation sites designated in application of international instruments at Pan-European level. Strasbourg: Council of Europe.

Chicago

,, . 1999. Nature conservation sites designated in application of international instruments at Pan-European level. Strasbourg: Council of Europe.

Harvard

,, . (1999). Nature conservation sites designated in application of international instruments at Pan-European level. Strasbourg: Council of Europe.

MLA

,, . Nature conservation sites designated in application of international instruments at Pan-European level. Strasbourg: Council of Europe. 1999.